7642917

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:770

約数の個数: 20

約数和(自身を含む): 11509036

約数和(自身を除く): 3866119

約数列:

[1, 3, 9, 27, 81, 157, 471, 601, 1413, 1803, 4239, 5409, 12717, 16227, 48681, 94357, 283071, 849213, 2547639, 7642917]

約数ペア:

[(1, 7642917), (3, 2547639), (9, 849213), (27, 283071), (81, 94357), (157, 48681), (471, 16227), (601, 12717), (1413, 5409), (1803, 4239)]