670761

素因数分解:

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

素因数の和:52

約数の個数: 45

約数和(自身を含む): 1262151

約数和(自身を除く): 591390

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 169, 189, 273, 351, 441, 507, 567, 637, 819, 1053, 1183, 1323, 1521, 1911, 2457, 3549, 3969, 4563, 5733, 7371, 8281, 10647, 13689, 17199, 24843, 31941, 51597, 74529, 95823, 223587, 670761]

約数ペア:

[(1, 670761), (3, 223587), (7, 95823), (9, 74529), (13, 51597), (21, 31941), (27, 24843), (39, 17199), (49, 13689), (63, 10647), (81, 8281), (91, 7371), (117, 5733), (147, 4563), (169, 3969), (189, 3549), (273, 2457), (351, 1911), (441, 1521), (507, 1323), (567, 1183), (637, 1053)]