69919521

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 115356384

約数和(自身を除く): 45436863

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 571, 833, 1029, 1713, 2401, 2499, 3997, 5831, 7203, 9707, 11991, 17493, 27979, 29121, 40817, 67949, 83937, 122451, 195853, 203847, 475643, 587559, 1370971, 1426929, 3329501, 4112913, 9988503, 23306507, 69919521]

約数ペア:

[(1, 69919521), (3, 23306507), (7, 9988503), (17, 4112913), (21, 3329501), (49, 1426929), (51, 1370971), (119, 587559), (147, 475643), (343, 203847), (357, 195853), (571, 122451), (833, 83937), (1029, 67949), (1713, 40817), (2401, 29121), (2499, 27979), (3997, 17493), (5831, 11991), (7203, 9707)]