2505735

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 4704480

約数和(自身を除く): 2198745

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 269, 345, 405, 621, 807, 1035, 1345, 1863, 2421, 3105, 4035, 6187, 7263, 9315, 12105, 18561, 21789, 30935, 36315, 55683, 92805, 108945, 167049, 278415, 501147, 835245, 2505735]

約数ペア:

[(1, 2505735), (3, 835245), (5, 501147), (9, 278415), (15, 167049), (23, 108945), (27, 92805), (45, 55683), (69, 36315), (81, 30935), (115, 21789), (135, 18561), (207, 12105), (269, 9315), (345, 7263), (405, 6187), (621, 4035), (807, 3105), (1035, 2421), (1345, 1863)]