917487

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 20

約数和(自身を含む): 1405536

約数和(自身を除く): 488049

約数列:

[1, 3, 9, 27, 47, 81, 141, 241, 423, 723, 1269, 2169, 3807, 6507, 11327, 19521, 33981, 101943, 305829, 917487]

約数ペア:

[(1, 917487), (3, 305829), (9, 101943), (27, 33981), (47, 19521), (81, 11327), (141, 6507), (241, 3807), (423, 2169), (723, 1269)]