1800907779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{2087}}^1$

素因数の和:2511

約数の個数: 32

約数和(自身を含む): 2661949440

約数和(自身を除く): 861041661

約数列:

[1, 3, 11, 33, 79, 237, 331, 869, 993, 2087, 2607, 3641, 6261, 10923, 22957, 26149, 68871, 78447, 164873, 287639, 494619, 690797, 862917, 1813603, 2072391, 5440809, 7598767, 22796301, 54572963, 163718889, 600302593, 1800907779]

約数ペア:

[(1, 1800907779), (3, 600302593), (11, 163718889), (33, 54572963), (79, 22796301), (237, 7598767), (331, 5440809), (869, 2072391), (993, 1813603), (2087, 862917), (2607, 690797), (3641, 494619), (6261, 287639), (10923, 164873), (22957, 78447), (26149, 68871)]