72018807

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 112527360

約数和(自身を除く): 40508553

約数列:

[1, 3, 7, 21, 73, 109, 219, 327, 431, 511, 763, 1293, 1533, 2289, 3017, 7957, 9051, 23871, 31463, 46979, 55699, 94389, 140937, 167097, 220241, 328853, 660723, 986559, 3429467, 10288401, 24006269, 72018807]

約数ペア:

[(1, 72018807), (3, 24006269), (7, 10288401), (21, 3429467), (73, 986559), (109, 660723), (219, 328853), (327, 220241), (431, 167097), (511, 140937), (763, 94389), (1293, 55699), (1533, 46979), (2289, 31463), (3017, 23871), (7957, 9051)]