291222

素因数分解:

$2^1\times 3^3\times {\mathrm{5393}}^1$

素因数の和:5404

約数の個数: 16

約数和(自身を含む): 647280

約数和(自身を除く): 356058

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 5393, 10786, 16179, 32358, 48537, 97074, 145611, 291222]

約数ペア:

[(1, 291222), (2, 145611), (3, 97074), (6, 48537), (9, 32358), (18, 16179), (27, 10786), (54, 5393)]