407349

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 20

約数和(自身を含む): 627264

約数和(自身を除く): 219915

約数列:

[1, 3, 9, 27, 47, 81, 107, 141, 321, 423, 963, 1269, 2889, 3807, 5029, 8667, 15087, 45261, 135783, 407349]

約数ペア:

[(1, 407349), (3, 135783), (9, 45261), (27, 15087), (47, 8667), (81, 5029), (107, 3807), (141, 2889), (321, 1269), (423, 963)]