621106947

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 952657200

約数和(自身を除く): 331550253

約数列:

[1, 3, 9, 27, 53, 81, 149, 159, 447, 477, 971, 1341, 1431, 2913, 4023, 4293, 7897, 8739, 12069, 23691, 26217, 51463, 71073, 78651, 144679, 154389, 213219, 434037, 463167, 639657, 1302111, 1389501, 3906333, 4168503, 7667987, 11718999, 23003961, 69011883, 207035649, 621106947]

約数ペア:

[(1, 621106947), (3, 207035649), (9, 69011883), (27, 23003961), (53, 11718999), (81, 7667987), (149, 4168503), (159, 3906333), (447, 1389501), (477, 1302111), (971, 639657), (1341, 463167), (1431, 434037), (2913, 213219), (4023, 154389), (4293, 144679), (7897, 78651), (8739, 71073), (12069, 51463), (23691, 26217)]