220209615

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{168743}}^1$

素因数の和:168783

約数の個数: 24

約数和(自身を含む): 394860960

約数和(自身を除く): 174651345

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 168743, 506229, 843715, 1518687, 2531145, 4893547, 7593435, 14680641, 24467735, 44041923, 73403205, 220209615]

約数ペア:

[(1, 220209615), (3, 73403205), (5, 44041923), (9, 24467735), (15, 14680641), (29, 7593435), (45, 4893547), (87, 2531145), (145, 1518687), (261, 843715), (435, 506229), (1305, 168743)]