25380945

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 47088360

約数和(自身を除く): 21707415

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2161, 2349, 3915, 6483, 10805, 11745, 19449, 32415, 58347, 62669, 97245, 175041, 188007, 291735, 313345, 564021, 875205, 940035, 1692063, 2820105, 5076189, 8460315, 25380945]

約数ペア:

[(1, 25380945), (3, 8460315), (5, 5076189), (9, 2820105), (15, 1692063), (27, 940035), (29, 875205), (45, 564021), (81, 313345), (87, 291735), (135, 188007), (145, 175041), (261, 97245), (405, 62669), (435, 58347), (783, 32415), (1305, 19449), (2161, 11745), (2349, 10805), (3915, 6483)]