491351835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{23117}}^1$

素因数の和:23247

約数の個数: 32

約数和(自身を含む): 854441280

約数和(自身を除く): 363089445

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 21255, 23117, 69351, 115585, 300521, 346755, 901563, 1502605, 2519753, 4507815, 7559259, 12598765, 32756789, 37796295, 98270367, 163783945, 491351835]

約数ペア:

[(1, 491351835), (3, 163783945), (5, 98270367), (13, 37796295), (15, 32756789), (39, 12598765), (65, 7559259), (109, 4507815), (195, 2519753), (327, 1502605), (545, 901563), (1417, 346755), (1635, 300521), (4251, 115585), (7085, 69351), (21255, 23117)]