320492079

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{2143}}^1$

素因数の和:2372

約数の個数: 32

約数和(自身を含む): 493977600

約数和(自身を除く): 173485521

約数列:

[1, 3, 9, 27, 29, 87, 191, 261, 573, 783, 1719, 2143, 5157, 5539, 6429, 16617, 19287, 49851, 57861, 62147, 149553, 186441, 409313, 559323, 1227939, 1677969, 3683817, 11051451, 11870077, 35610231, 106830693, 320492079]

約数ペア:

[(1, 320492079), (3, 106830693), (9, 35610231), (27, 11870077), (29, 11051451), (87, 3683817), (191, 1677969), (261, 1227939), (573, 559323), (783, 409313), (1719, 186441), (2143, 149553), (5157, 62147), (5539, 57861), (6429, 49851), (16617, 19287)]