287703414

素因数分解:

$2^1\times 3^4\times {\mathrm{491}}^1\times {\mathrm{3617}}^1$

素因数の和:4122

約数の個数: 40

約数和(自身を含む): 646160328

約数和(自身を除く): 358456914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 491, 982, 1473, 2946, 3617, 4419, 7234, 8838, 10851, 13257, 21702, 26514, 32553, 39771, 65106, 79542, 97659, 195318, 292977, 585954, 1775947, 3551894, 5327841, 10655682, 15983523, 31967046, 47950569, 95901138, 143851707, 287703414]

約数ペア:

[(1, 287703414), (2, 143851707), (3, 95901138), (6, 47950569), (9, 31967046), (18, 15983523), (27, 10655682), (54, 5327841), (81, 3551894), (162, 1775947), (491, 585954), (982, 292977), (1473, 195318), (2946, 97659), (3617, 79542), (4419, 65106), (7234, 39771), (8838, 32553), (10851, 26514), (13257, 21702)]