400965687

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{16519}}^1$

素因数の和:16588

約数の個数: 32

約数和(自身を含む): 634368000

約数和(自身を除く): 233402313

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 899, 2697, 8091, 16519, 24273, 49557, 148671, 446013, 479051, 512089, 1437153, 1536267, 4311459, 4608801, 12934377, 13826403, 14850581, 44551743, 133655229, 400965687]

約数ペア:

[(1, 400965687), (3, 133655229), (9, 44551743), (27, 14850581), (29, 13826403), (31, 12934377), (87, 4608801), (93, 4311459), (261, 1536267), (279, 1437153), (783, 512089), (837, 479051), (899, 446013), (2697, 148671), (8091, 49557), (16519, 24273)]