39913965

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 93195648

約数和(自身を除く): 53281683

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 27, 35, 39, 45, 57, 63, 65, 81, 91, 95, 105, 117, 133, 135, 171, 189, 195, 243, 247, 273, 285, 315, 351, 361, 399, 405, 455, 513, 567, 585, 665, 741, 819, 855, 945, 1053, 1083, 1197, 1215, 1235, 1365, 1539, 1701, 1729, 1755, 1805, 1995, 2223, 2457, 2527, 2565, 2835, 3159, 3249, 3591, 3705, 4095, 4617, 4693, 5187, 5265, 5415, 5985, 6669, 7371, 7581, 7695, 8505, 8645, 9747, 10773, 11115, 12285, 12635, 14079, 15561, 15795, 16245, 17955, 20007, 22113, 22743, 23085, 23465, 25935, 29241, 32319, 32851, 33345, 36855, 37905, 42237, 46683, 48735, 53865, 60021, 68229, 70395, 77805, 87723, 98553, 100035, 110565, 113715, 126711, 140049, 146205, 161595, 164255, 204687, 211185, 233415, 295659, 300105, 341145, 380133, 420147, 438615, 492765, 614061, 633555, 700245, 886977, 1023435, 1140399, 1478295, 1900665, 2100735, 2660931, 3070305, 4434885, 5701995, 7982793, 13304655, 39913965]

約数ペア:

[(1, 39913965), (3, 13304655), (5, 7982793), (7, 5701995), (9, 4434885), (13, 3070305), (15, 2660931), (19, 2100735), (21, 1900665), (27, 1478295), (35, 1140399), (39, 1023435), (45, 886977), (57, 700245), (63, 633555), (65, 614061), (81, 492765), (91, 438615), (95, 420147), (105, 380133), (117, 341145), (133, 300105), (135, 295659), (171, 233415), (189, 211185), (195, 204687), (243, 164255), (247, 161595), (273, 146205), (285, 140049), (315, 126711), (351, 113715), (361, 110565), (399, 100035), (405, 98553), (455, 87723), (513, 77805), (567, 70395), (585, 68229), (665, 60021), (741, 53865), (819, 48735), (855, 46683), (945, 42237), (1053, 37905), (1083, 36855), (1197, 33345), (1215, 32851), (1235, 32319), (1365, 29241), (1539, 25935), (1701, 23465), (1729, 23085), (1755, 22743), (1805, 22113), (1995, 20007), (2223, 17955), (2457, 16245), (2527, 15795), (2565, 15561), (2835, 14079), (3159, 12635), (3249, 12285), (3591, 11115), (3705, 10773), (4095, 9747), (4617, 8645), (4693, 8505), (5187, 7695), (5265, 7581), (5415, 7371), (5985, 6669)]