31306869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 51432576

約数和(自身を除く): 20125707

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 101, 279, 303, 341, 909, 1023, 1111, 3069, 3131, 3333, 9393, 9999, 10201, 28179, 30603, 34441, 91809, 103323, 112211, 309969, 316231, 336633, 948693, 1009899, 2846079, 3478541, 10435623, 31306869]

約数ペア:

[(1, 31306869), (3, 10435623), (9, 3478541), (11, 2846079), (31, 1009899), (33, 948693), (93, 336633), (99, 316231), (101, 309969), (279, 112211), (303, 103323), (341, 91809), (909, 34441), (1023, 30603), (1111, 28179), (3069, 10201), (3131, 9999), (3333, 9393)]