289957005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 571655448

約数和(自身を除く): 281698443

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 361, 585, 741, 855, 1083, 1235, 1373, 1805, 2223, 3249, 3705, 4119, 4693, 5415, 6865, 11115, 12357, 14079, 16245, 17849, 20595, 23465, 26087, 42237, 53547, 61785, 70395, 78261, 89245, 130435, 160641, 211185, 234783, 267735, 339131, 391305, 495653, 803205, 1017393, 1173915, 1486959, 1695655, 2478265, 3052179, 4460877, 5086965, 6443489, 7434795, 15260895, 19330467, 22304385, 32217445, 57991401, 96652335, 289957005]

約数ペア:

[(1, 289957005), (3, 96652335), (5, 57991401), (9, 32217445), (13, 22304385), (15, 19330467), (19, 15260895), (39, 7434795), (45, 6443489), (57, 5086965), (65, 4460877), (95, 3052179), (117, 2478265), (171, 1695655), (195, 1486959), (247, 1173915), (285, 1017393), (361, 803205), (585, 495653), (741, 391305), (855, 339131), (1083, 267735), (1235, 234783), (1373, 211185), (1805, 160641), (2223, 130435), (3249, 89245), (3705, 78261), (4119, 70395), (4693, 61785), (5415, 53547), (6865, 42237), (11115, 26087), (12357, 23465), (14079, 20595), (16245, 17849)]