9919215

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4159}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 17521920

約数和(自身を除く): 7602705

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 4159, 12477, 20795, 37431, 62385, 187155, 220427, 661281, 1102135, 1983843, 3306405, 9919215]

約数ペア:

[(1, 9919215), (3, 3306405), (5, 1983843), (9, 1102135), (15, 661281), (45, 220427), (53, 187155), (159, 62385), (265, 37431), (477, 20795), (795, 12477), (2385, 4159)]