945405

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 1728000

約数和(自身を除く): 782595

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 149, 235, 423, 447, 705, 745, 1269, 1341, 2115, 2235, 4023, 6345, 6705, 7003, 20115, 21009, 35015, 63027, 105045, 189081, 315135, 945405]

約数ペア:

[(1, 945405), (3, 315135), (5, 189081), (9, 105045), (15, 63027), (27, 35015), (45, 21009), (47, 20115), (135, 7003), (141, 6705), (149, 6345), (235, 4023), (423, 2235), (447, 2115), (705, 1341), (745, 1269)]