399731607

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{557}}^1\times {\mathrm{659}}^1$

素因数の和:1244

約数の個数: 36

約数和(自身を含む): 636756120

約数和(自身を除く): 237024513

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 557, 659, 1089, 1671, 1977, 5013, 5931, 6127, 7249, 18381, 21747, 55143, 65241, 67397, 79739, 202191, 239217, 367063, 606573, 717651, 1101189, 3303567, 4037693, 12113079, 36339237, 44414623, 133243869, 399731607]

約数ペア:

[(1, 399731607), (3, 133243869), (9, 44414623), (11, 36339237), (33, 12113079), (99, 4037693), (121, 3303567), (363, 1101189), (557, 717651), (659, 606573), (1089, 367063), (1671, 239217), (1977, 202191), (5013, 79739), (5931, 67397), (6127, 65241), (7249, 55143), (18381, 21747)]