81010945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 105937920

約数和(自身を除く): 24926975

約数列:

[1, 5, 23, 37, 79, 115, 185, 241, 395, 851, 1205, 1817, 2923, 4255, 5543, 8917, 9085, 14615, 19039, 27715, 44585, 67229, 95195, 205091, 336145, 437897, 704443, 1025455, 2189485, 3522215, 16202189, 81010945]

約数ペア:

[(1, 81010945), (5, 16202189), (23, 3522215), (37, 2189485), (79, 1025455), (115, 704443), (185, 437897), (241, 336145), (395, 205091), (851, 95195), (1205, 67229), (1817, 44585), (2923, 27715), (4255, 19039), (5543, 14615), (8917, 9085)]