131232021

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 187170816

約数和(自身を除く): 55938795

約数列:

[1, 3, 31, 41, 93, 123, 127, 271, 381, 813, 1271, 3813, 3937, 5207, 8401, 11111, 11811, 15621, 25203, 33333, 34417, 103251, 161417, 344441, 484251, 1033323, 1066927, 1411097, 3200781, 4233291, 43744007, 131232021]

約数ペア:

[(1, 131232021), (3, 43744007), (31, 4233291), (41, 3200781), (93, 1411097), (123, 1066927), (127, 1033323), (271, 484251), (381, 344441), (813, 161417), (1271, 103251), (3813, 34417), (3937, 33333), (5207, 25203), (8401, 15621), (11111, 11811)]