63981015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{87049}}^1$

素因数の和:87071

約数の個数: 24

約数和(自身を含む): 119084400

約数和(自身を除く): 55103385

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 87049, 261147, 435245, 609343, 1305735, 1828029, 3046715, 4265401, 9140145, 12796203, 21327005, 63981015]

約数ペア:

[(1, 63981015), (3, 21327005), (5, 12796203), (7, 9140145), (15, 4265401), (21, 3046715), (35, 1828029), (49, 1305735), (105, 609343), (147, 435245), (245, 261147), (735, 87049)]