221657085

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{378901}}^1$

素因数の和:378925

約数の個数: 24

約数和(自身を含む): 413760984

約数和(自身を除く): 192103899

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 378901, 1136703, 1894505, 3410109, 4925713, 5683515, 14777139, 17050545, 24628565, 44331417, 73885695, 221657085]

約数ペア:

[(1, 221657085), (3, 73885695), (5, 44331417), (9, 24628565), (13, 17050545), (15, 14777139), (39, 5683515), (45, 4925713), (65, 3410109), (117, 1894505), (195, 1136703), (585, 378901)]