67198551

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{10631}}^1$

素因数の和:10691

約数の個数: 24

約数和(自身を含む): 106660224

約数和(自身を除く): 39461673

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 10631, 31893, 74417, 223251, 457133, 520919, 1371399, 1562757, 3199931, 9599793, 22399517, 67198551]

約数ペア:

[(1, 67198551), (3, 22399517), (7, 9599793), (21, 3199931), (43, 1562757), (49, 1371399), (129, 520919), (147, 457133), (301, 223251), (903, 74417), (2107, 31893), (6321, 10631)]