15321831

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24460800

約数和(自身を除く): 9138969

約数列:

[1, 3, 7, 21, 29, 87, 139, 181, 203, 417, 543, 609, 973, 1267, 2919, 3801, 4031, 5249, 12093, 15747, 25159, 28217, 36743, 75477, 84651, 110229, 176113, 528339, 729611, 2188833, 5107277, 15321831]

約数ペア:

[(1, 15321831), (3, 5107277), (7, 2188833), (21, 729611), (29, 528339), (87, 176113), (139, 110229), (181, 84651), (203, 75477), (417, 36743), (543, 28217), (609, 25159), (973, 15747), (1267, 12093), (2919, 5249), (3801, 4031)]