40153221

素因数分解:

$3^2\times {\mathrm{157}}^2\times {\mathrm{181}}^1$

素因数の和:501

約数の個数: 18

約数和(自身を含む): 58693362

約数和(自身を除く): 18540141

約数列:

[1, 3, 9, 157, 181, 471, 543, 1413, 1629, 24649, 28417, 73947, 85251, 221841, 255753, 4461469, 13384407, 40153221]

約数ペア:

[(1, 40153221), (3, 13384407), (9, 4461469), (157, 255753), (181, 221841), (471, 85251), (543, 73947), (1413, 28417), (1629, 24649)]