13021995

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 24307200

約数和(自身を除く): 11285205

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 2531, 5145, 7593, 12655, 17717, 37965, 53151, 88585, 124019, 265755, 372057, 620095, 868133, 1860285, 2604399, 4340665, 13021995]

約数ペア:

[(1, 13021995), (3, 4340665), (5, 2604399), (7, 1860285), (15, 868133), (21, 620095), (35, 372057), (49, 265755), (105, 124019), (147, 88585), (245, 53151), (343, 37965), (735, 17717), (1029, 12655), (1715, 7593), (2531, 5145)]