3651921

素因数分解:

$3^2\times 7^4\times {\mathrm{13}}^2$

素因数の和:60

約数の個数: 45

約数和(自身を含む): 6663579

約数和(自身を除く): 3011658

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 169, 273, 343, 441, 507, 637, 819, 1029, 1183, 1521, 1911, 2401, 3087, 3549, 4459, 5733, 7203, 8281, 10647, 13377, 21609, 24843, 31213, 40131, 57967, 74529, 93639, 173901, 280917, 405769, 521703, 1217307, 3651921]

約数ペア:

[(1, 3651921), (3, 1217307), (7, 521703), (9, 405769), (13, 280917), (21, 173901), (39, 93639), (49, 74529), (63, 57967), (91, 40131), (117, 31213), (147, 24843), (169, 21609), (273, 13377), (343, 10647), (441, 8281), (507, 7203), (637, 5733), (819, 4459), (1029, 3549), (1183, 3087), (1521, 2401)]