51360939

素因数分解:

$3^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 87329280

約数和(自身を除く): 35968341

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 331, 821, 993, 2317, 2463, 2979, 5747, 6951, 7389, 8937, 17241, 20853, 22167, 51723, 62559, 155169, 271751, 815253, 1902257, 2445759, 5706771, 7337277, 17120313, 51360939]

約数ペア:

[(1, 51360939), (3, 17120313), (7, 7337277), (9, 5706771), (21, 2445759), (27, 1902257), (63, 815253), (189, 271751), (331, 155169), (821, 62559), (993, 51723), (2317, 22167), (2463, 20853), (2979, 17241), (5747, 8937), (6951, 7389)]