289397385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{12157}}^1$

素因数の和:12214

約数の個数: 36

約数和(自身を含む): 524423172

約数和(自身を除く): 235025787

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1587, 2645, 4761, 7935, 12157, 23805, 36471, 60785, 109413, 182355, 279611, 547065, 838833, 1398055, 2516499, 4194165, 6431053, 12582495, 19293159, 32155265, 57879477, 96465795, 289397385]

約数ペア:

[(1, 289397385), (3, 96465795), (5, 57879477), (9, 32155265), (15, 19293159), (23, 12582495), (45, 6431053), (69, 4194165), (115, 2516499), (207, 1398055), (345, 838833), (529, 547065), (1035, 279611), (1587, 182355), (2645, 109413), (4761, 60785), (7935, 36471), (12157, 23805)]