30157947

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 46632960

約数和(自身を除く): 16475013

約数列:

[1, 3, 9, 27, 31, 93, 137, 263, 279, 411, 789, 837, 1233, 2367, 3699, 4247, 7101, 8153, 12741, 24459, 36031, 38223, 73377, 108093, 114669, 220131, 324279, 972837, 1116961, 3350883, 10052649, 30157947]

約数ペア:

[(1, 30157947), (3, 10052649), (9, 3350883), (27, 1116961), (31, 972837), (93, 324279), (137, 220131), (263, 114669), (279, 108093), (411, 73377), (789, 38223), (837, 36031), (1233, 24459), (2367, 12741), (3699, 8153), (4247, 7101)]