320090979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 467841024

約数和(自身を除く): 147750045

約数列:

[1, 3, 13, 39, 97, 191, 291, 443, 573, 1261, 1329, 2483, 3783, 5759, 7449, 17277, 18527, 42971, 55581, 84613, 128913, 240851, 253839, 558623, 722553, 1099969, 1675869, 3299907, 8207461, 24622383, 106696993, 320090979]

約数ペア:

[(1, 320090979), (3, 106696993), (13, 24622383), (39, 8207461), (97, 3299907), (191, 1675869), (291, 1099969), (443, 722553), (573, 558623), (1261, 253839), (1329, 240851), (2483, 128913), (3783, 84613), (5759, 55581), (7449, 42971), (17277, 18527)]