289076721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 416816640

約数和(自身を除く): 127739919

約数列:

[1, 3, 17, 51, 79, 157, 237, 457, 471, 1343, 1371, 2669, 4029, 7769, 8007, 12403, 23307, 36103, 37209, 71749, 108309, 210851, 215247, 613751, 632553, 1219733, 1841253, 3659199, 5668171, 17004513, 96358907, 289076721]

約数ペア:

[(1, 289076721), (3, 96358907), (17, 17004513), (51, 5668171), (79, 3659199), (157, 1841253), (237, 1219733), (457, 632553), (471, 613751), (1343, 215247), (1371, 210851), (2669, 108309), (4029, 71749), (7769, 37209), (8007, 36103), (12403, 23307)]