31115745

素因数分解:

$3^4\times 5^1\times {\mathrm{76829}}^1$

素因数の和:76846

約数の個数: 20

約数和(自身を含む): 55778580

約数和(自身を除く): 24662835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76829, 230487, 384145, 691461, 1152435, 2074383, 3457305, 6223149, 10371915, 31115745]

約数ペア:

[(1, 31115745), (3, 10371915), (5, 6223149), (9, 3457305), (15, 2074383), (27, 1152435), (45, 691461), (81, 384145), (135, 230487), (405, 76829)]