13480815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 22726656

約数和(自身を除く): 9245841

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 547, 795, 1641, 1643, 2735, 4929, 8205, 8215, 16957, 24645, 28991, 50871, 84785, 86973, 144955, 254355, 434865, 898721, 2696163, 4493605, 13480815]

約数ペア:

[(1, 13480815), (3, 4493605), (5, 2696163), (15, 898721), (31, 434865), (53, 254355), (93, 144955), (155, 86973), (159, 84785), (265, 50871), (465, 28991), (547, 24645), (795, 16957), (1641, 8215), (1643, 8205), (2735, 4929)]