289487025

素因数分解:

$3^2\times 5^2\times {\mathrm{631}}^1\times {\mathrm{2039}}^1$

素因数の和:2686

約数の個数: 36

約数和(自身を含む): 519579840

約数和(自身を除く): 230092815

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 631, 1893, 2039, 3155, 5679, 6117, 9465, 10195, 15775, 18351, 28395, 30585, 47325, 50975, 91755, 141975, 152925, 458775, 1286609, 3859827, 6433045, 11579481, 19299135, 32165225, 57897405, 96495675, 289487025]

約数ペア:

[(1, 289487025), (3, 96495675), (5, 57897405), (9, 32165225), (15, 19299135), (25, 11579481), (45, 6433045), (75, 3859827), (225, 1286609), (631, 458775), (1893, 152925), (2039, 141975), (3155, 91755), (5679, 50975), (6117, 47325), (9465, 30585), (10195, 28395), (15775, 18351)]