71918505

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21893}}^1$

素因数の和:21977

約数の個数: 24

約数和(自身を含む): 126372168

約数和(自身を除く): 54453663

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 21893, 65679, 109465, 197037, 328395, 985185, 1598189, 4794567, 7990945, 14383701, 23972835, 71918505]

約数ペア:

[(1, 71918505), (3, 23972835), (5, 14383701), (9, 7990945), (15, 4794567), (45, 1598189), (73, 985185), (219, 328395), (365, 197037), (657, 109465), (1095, 65679), (3285, 21893)]