198804915

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20173}}^1$

素因数の和:20260

約数の個数: 32

約数和(自身を含む): 358290240

約数和(自身を除く): 159485325

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855, 20173, 60519, 100865, 181557, 302595, 544671, 907785, 1472629, 2723355, 4417887, 7363145, 13253661, 22089435, 39760983, 66268305, 198804915]

約数ペア:

[(1, 198804915), (3, 66268305), (5, 39760983), (9, 22089435), (15, 13253661), (27, 7363145), (45, 4417887), (73, 2723355), (135, 1472629), (219, 907785), (365, 544671), (657, 302595), (1095, 181557), (1971, 100865), (3285, 60519), (9855, 20173)]