81620715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494671}}^1$

素因数の和:494690

約数の個数: 16

約数和(自身を含む): 142465536

約数和(自身を除く): 60844821

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 494671, 1484013, 2473355, 5441381, 7420065, 16324143, 27206905, 81620715]

約数ペア:

[(1, 81620715), (3, 27206905), (5, 16324143), (11, 7420065), (15, 5441381), (33, 2473355), (55, 1484013), (165, 494671)]