81694575

素因数分解:

$3^4\times 5^2\times {\mathrm{40343}}^1$

素因数の和:40365

約数の個数: 30

約数和(自身を含む): 151330344

約数和(自身を除く): 69635769

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 40343, 121029, 201715, 363087, 605145, 1008575, 1089261, 1815435, 3025725, 3267783, 5446305, 9077175, 16338915, 27231525, 81694575]

約数ペア:

[(1, 81694575), (3, 27231525), (5, 16338915), (9, 9077175), (15, 5446305), (25, 3267783), (27, 3025725), (45, 1815435), (75, 1089261), (81, 1008575), (135, 605145), (225, 363087), (405, 201715), (675, 121029), (2025, 40343)]