408195

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 726336

約数和(自身を除く): 318141

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 193, 235, 423, 579, 705, 965, 1737, 2115, 2895, 8685, 9071, 27213, 45355, 81639, 136065, 408195]

約数ペア:

[(1, 408195), (3, 136065), (5, 81639), (9, 45355), (15, 27213), (45, 9071), (47, 8685), (141, 2895), (193, 2115), (235, 1737), (423, 965), (579, 705)]