217873773

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2473}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 349130880

約数和(自身を除く): 131257107

約数列:

[1, 3, 9, 13, 27, 39, 117, 251, 351, 753, 2259, 2473, 3263, 6777, 7419, 9789, 22257, 29367, 32149, 66771, 88101, 96447, 289341, 620723, 868023, 1862169, 5586507, 8069399, 16759521, 24208197, 72624591, 217873773]

約数ペア:

[(1, 217873773), (3, 72624591), (9, 24208197), (13, 16759521), (27, 8069399), (39, 5586507), (117, 1862169), (251, 868023), (351, 620723), (753, 289341), (2259, 96447), (2473, 88101), (3263, 66771), (6777, 32149), (7419, 29367), (9789, 22257)]