78865893

素因数分解:

$3^5\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 118556256

約数和(自身を除く): 39690363

約数列:

[1, 3, 9, 27, 81, 243, 491, 661, 1473, 1983, 4419, 5949, 13257, 17847, 39771, 53541, 119313, 160623, 324551, 973653, 2920959, 8762877, 26288631, 78865893]

約数ペア:

[(1, 78865893), (3, 26288631), (9, 8762877), (27, 2920959), (81, 973653), (243, 324551), (491, 160623), (661, 119313), (1473, 53541), (1983, 39771), (4419, 17847), (5949, 13257)]