897720165

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71503}}^1$

素因数の和:71551

約数の個数: 40

約数和(自身を含む): 1661180928

約数和(自身を除く): 763460763

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 71503, 214509, 357515, 643527, 1072545, 1930581, 2216593, 3217635, 5791743, 6649779, 9652905, 11082965, 19949337, 28958715, 33248895, 59848011, 99746685, 179544033, 299240055, 897720165]

約数ペア:

[(1, 897720165), (3, 299240055), (5, 179544033), (9, 99746685), (15, 59848011), (27, 33248895), (31, 28958715), (45, 19949337), (81, 11082965), (93, 9652905), (135, 6649779), (155, 5791743), (279, 3217635), (405, 2216593), (465, 1930581), (837, 1072545), (1395, 643527), (2511, 357515), (4185, 214509), (12555, 71503)]