213731025

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{25219}}^1$

素因数の和:25345

約数の個数: 24

約数和(自身を含む): 356509920

約数和(自身を除く): 142778895

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2825, 8475, 25219, 75657, 126095, 378285, 630475, 1891425, 2849747, 8549241, 14248735, 42746205, 71243675, 213731025]

約数ペア:

[(1, 213731025), (3, 71243675), (5, 42746205), (15, 14248735), (25, 8549241), (75, 2849747), (113, 1891425), (339, 630475), (565, 378285), (1695, 126095), (2825, 75657), (8475, 25219)]