71866683

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:998

約数の個数: 60

約数和(自身を含む): 131594760

約数和(自身を除く): 59728077

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 171, 189, 399, 441, 513, 567, 931, 953, 1197, 1323, 1539, 2793, 2859, 3591, 3969, 6671, 8379, 8577, 10773, 18107, 20013, 25137, 25731, 46697, 54321, 60039, 75411, 77193, 126749, 140091, 162963, 180117, 380247, 420273, 488889, 540351, 887243, 1140741, 1260819, 1466667, 2661729, 3422223, 3782457, 7985187, 10266669, 23955561, 71866683]

約数ペア:

[(1, 71866683), (3, 23955561), (7, 10266669), (9, 7985187), (19, 3782457), (21, 3422223), (27, 2661729), (49, 1466667), (57, 1260819), (63, 1140741), (81, 887243), (133, 540351), (147, 488889), (171, 420273), (189, 380247), (399, 180117), (441, 162963), (513, 140091), (567, 126749), (931, 77193), (953, 75411), (1197, 60039), (1323, 54321), (1539, 46697), (2793, 25731), (2859, 25137), (3591, 20013), (3969, 18107), (6671, 10773), (8379, 8577)]