27891945

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 50863560

約数和(自身を除く): 22971615

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1129, 1647, 2745, 3387, 4941, 5645, 8235, 10161, 16935, 24705, 30483, 50805, 68869, 91449, 152415, 206607, 344345, 457245, 619821, 1033035, 1859463, 3099105, 5578389, 9297315, 27891945]

約数ペア:

[(1, 27891945), (3, 9297315), (5, 5578389), (9, 3099105), (15, 1859463), (27, 1033035), (45, 619821), (61, 457245), (81, 344345), (135, 206607), (183, 152415), (305, 91449), (405, 68869), (549, 50805), (915, 30483), (1129, 24705), (1647, 16935), (2745, 10161), (3387, 8235), (4941, 5645)]