131205555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74761}}^1$

素因数の和:74788

約数の個数: 32

約数和(自身を含む): 251200320

約数和(自身を除く): 119994765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 74761, 224283, 373805, 672849, 971893, 1121415, 2018547, 2915679, 3364245, 4859465, 8747037, 10092735, 14578395, 26241111, 43735185, 131205555]

約数ペア:

[(1, 131205555), (3, 43735185), (5, 26241111), (9, 14578395), (13, 10092735), (15, 8747037), (27, 4859465), (39, 3364245), (45, 2915679), (65, 2018547), (117, 1121415), (135, 971893), (195, 672849), (351, 373805), (585, 224283), (1755, 74761)]