1388295537

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{1289}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 1970211840

約数和(自身を除く): 581916303

約数列:

[1, 3, 31, 37, 93, 111, 313, 939, 1147, 1289, 3441, 3867, 9703, 11581, 29109, 34743, 39959, 47693, 119877, 143079, 359011, 403457, 1077033, 1210371, 1478483, 4435449, 12507167, 14927909, 37521501, 44783727, 462765179, 1388295537]

約数ペア:

[(1, 1388295537), (3, 462765179), (31, 44783727), (37, 37521501), (93, 14927909), (111, 12507167), (313, 4435449), (939, 1478483), (1147, 1210371), (1289, 1077033), (3441, 403457), (3867, 359011), (9703, 143079), (11581, 119877), (29109, 47693), (34743, 39959)]