17880939

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 9536661

約数列:

[1, 3, 9, 27, 79, 83, 101, 237, 249, 303, 711, 747, 909, 2133, 2241, 2727, 6557, 7979, 8383, 19671, 23937, 25149, 59013, 71811, 75447, 177039, 215433, 226341, 662257, 1986771, 5960313, 17880939]

約数ペア:

[(1, 17880939), (3, 5960313), (9, 1986771), (27, 662257), (79, 226341), (83, 215433), (101, 177039), (237, 75447), (249, 71811), (303, 59013), (711, 25149), (747, 23937), (909, 19671), (2133, 8383), (2241, 7979), (2727, 6557)]