328398813

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{5309}}^1$

素因数の和:5426

約数の個数: 32

約数和(自身を含む): 509760000

約数和(自身を除く): 181361187

約数列:

[1, 3, 9, 27, 29, 79, 87, 237, 261, 711, 783, 2133, 2291, 5309, 6873, 15927, 20619, 47781, 61857, 143343, 153961, 419411, 461883, 1258233, 1385649, 3774699, 4156947, 11324097, 12162919, 36488757, 109466271, 328398813]

約数ペア:

[(1, 328398813), (3, 109466271), (9, 36488757), (27, 12162919), (29, 11324097), (79, 4156947), (87, 3774699), (237, 1385649), (261, 1258233), (711, 461883), (783, 419411), (2133, 153961), (2291, 143343), (5309, 61857), (6873, 47781), (15927, 20619)]