28087665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 18481935

約数列:

[1, 3, 5, 15, 41, 109, 123, 205, 327, 419, 545, 615, 1257, 1635, 2095, 4469, 6285, 13407, 17179, 22345, 45671, 51537, 67035, 85895, 137013, 228355, 257685, 685065, 1872511, 5617533, 9362555, 28087665]

約数ペア:

[(1, 28087665), (3, 9362555), (5, 5617533), (15, 1872511), (41, 685065), (109, 257685), (123, 228355), (205, 137013), (327, 85895), (419, 67035), (545, 51537), (615, 45671), (1257, 22345), (1635, 17179), (2095, 13407), (4469, 6285)]