51317955

素因数分解:

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

素因数の和:77

約数の個数: 96

約数和(自身を含む): 104973120

約数和(自身を除く): 53655165

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 243, 247, 285, 351, 361, 405, 513, 585, 729, 741, 855, 1053, 1083, 1215, 1235, 1539, 1755, 1805, 2187, 2223, 2565, 3159, 3249, 3645, 3705, 4617, 4693, 5265, 5415, 6669, 7695, 9477, 9747, 10935, 11115, 13851, 14079, 15795, 16245, 20007, 23085, 23465, 28431, 29241, 33345, 41553, 42237, 47385, 48735, 60021, 69255, 70395, 87723, 100035, 126711, 142155, 146205, 180063, 207765, 211185, 263169, 300105, 380133, 438615, 540189, 633555, 789507, 900315, 1140399, 1315845, 1900665, 2700945, 3421197, 3947535, 5701995, 10263591, 17105985, 51317955]

約数ペア:

[(1, 51317955), (3, 17105985), (5, 10263591), (9, 5701995), (13, 3947535), (15, 3421197), (19, 2700945), (27, 1900665), (39, 1315845), (45, 1140399), (57, 900315), (65, 789507), (81, 633555), (95, 540189), (117, 438615), (135, 380133), (171, 300105), (195, 263169), (243, 211185), (247, 207765), (285, 180063), (351, 146205), (361, 142155), (405, 126711), (513, 100035), (585, 87723), (729, 70395), (741, 69255), (855, 60021), (1053, 48735), (1083, 47385), (1215, 42237), (1235, 41553), (1539, 33345), (1755, 29241), (1805, 28431), (2187, 23465), (2223, 23085), (2565, 20007), (3159, 16245), (3249, 15795), (3645, 14079), (3705, 13851), (4617, 11115), (4693, 10935), (5265, 9747), (5415, 9477), (6669, 7695)]