687164013

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{12289}}^1$

素因数の和:12426

約数の個数: 32

約数和(自身を含む): 1081520000

約数和(自身を除く): 394355987

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 513, 981, 2071, 2943, 6213, 12289, 18639, 36867, 55917, 110601, 233491, 331803, 700473, 1339501, 2101419, 4018503, 6304257, 12055509, 25450519, 36166527, 76351557, 229054671, 687164013]

約数ペア:

[(1, 687164013), (3, 229054671), (9, 76351557), (19, 36166527), (27, 25450519), (57, 12055509), (109, 6304257), (171, 4018503), (327, 2101419), (513, 1339501), (981, 700473), (2071, 331803), (2943, 233491), (6213, 110601), (12289, 55917), (18639, 36867)]