215430915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{2113}}^1$

素因数の和:3099

約数の個数: 32

約数和(自身を含む): 394523136

約数和(自身を除く): 179092221

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 971, 2113, 2913, 4855, 6339, 6797, 10565, 14565, 14791, 20391, 31695, 33985, 44373, 73955, 101955, 221865, 2051723, 6155169, 10258615, 14362061, 30775845, 43086183, 71810305, 215430915]

約数ペア:

[(1, 215430915), (3, 71810305), (5, 43086183), (7, 30775845), (15, 14362061), (21, 10258615), (35, 6155169), (105, 2051723), (971, 221865), (2113, 101955), (2913, 73955), (4855, 44373), (6339, 33985), (6797, 31695), (10565, 20391), (14565, 14791)]