78836289

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{42181}}^1$

素因数の和:42280

約数の個数: 16

約数和(自身を含む): 121484160

約数和(自身を除く): 42647871

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 42181, 126543, 295267, 885801, 3754109, 11262327, 26278763, 78836289]

約数ペア:

[(1, 78836289), (3, 26278763), (7, 11262327), (21, 3754109), (89, 885801), (267, 295267), (623, 126543), (1869, 42181)]