31815303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 47500992

約数和(自身を除く): 15685689

約数列:

[1, 3, 13, 39, 41, 101, 123, 197, 303, 533, 591, 1313, 1599, 2561, 3939, 4141, 7683, 8077, 12423, 19897, 24231, 53833, 59691, 105001, 161499, 258661, 315003, 775983, 815777, 2447331, 10605101, 31815303]

約数ペア:

[(1, 31815303), (3, 10605101), (13, 2447331), (39, 815777), (41, 775983), (101, 315003), (123, 258661), (197, 161499), (303, 105001), (533, 59691), (591, 53833), (1313, 24231), (1599, 19897), (2561, 12423), (3939, 8077), (4141, 7683)]