17818209

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 26830440

約数和(自身を除く): 9012231

約数列:

[1, 3, 9, 29, 87, 233, 261, 293, 699, 879, 2097, 2637, 6757, 8497, 20271, 25491, 60813, 68269, 76473, 204807, 614421, 1979801, 5939403, 17818209]

約数ペア:

[(1, 17818209), (3, 5939403), (9, 1979801), (29, 614421), (87, 204807), (233, 76473), (261, 68269), (293, 60813), (699, 25491), (879, 20271), (2097, 8497), (2637, 6757)]