221077215

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22433}}^1$

素因数の和:22520

約数の個数: 32

約数和(自身を含む): 398427840

約数和(自身を除く): 177350625

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855, 22433, 67299, 112165, 201897, 336495, 605691, 1009485, 1637609, 3028455, 4912827, 8188045, 14738481, 24564135, 44215443, 73692405, 221077215]

約数ペア:

[(1, 221077215), (3, 73692405), (5, 44215443), (9, 24564135), (15, 14738481), (27, 8188045), (45, 4912827), (73, 3028455), (135, 1637609), (219, 1009485), (365, 605691), (657, 336495), (1095, 201897), (1971, 112165), (3285, 67299), (9855, 22433)]