27972405

素因数分解:

$3^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{541}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 49950720

約数和(自身を除く): 21978315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 383, 541, 1149, 1623, 1915, 2705, 3447, 4869, 5745, 8115, 10341, 14607, 17235, 24345, 51705, 73035, 207203, 621609, 1036015, 1864827, 3108045, 5594481, 9324135, 27972405]

約数ペア:

[(1, 27972405), (3, 9324135), (5, 5594481), (9, 3108045), (15, 1864827), (27, 1036015), (45, 621609), (135, 207203), (383, 73035), (541, 51705), (1149, 24345), (1623, 17235), (1915, 14607), (2705, 10341), (3447, 8115), (4869, 5745)]