221821831

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 296013312

約数和(自身を除く): 74191481

約数列:

[1, 7, 11, 17, 77, 97, 119, 187, 679, 1067, 1309, 1649, 1747, 7469, 11543, 12229, 18139, 19217, 29699, 126973, 134519, 169459, 207893, 326689, 1186213, 1864049, 2286823, 2880803, 13048343, 20165621, 31688833, 221821831]

約数ペア:

[(1, 221821831), (7, 31688833), (11, 20165621), (17, 13048343), (77, 2880803), (97, 2286823), (119, 1864049), (187, 1186213), (679, 326689), (1067, 207893), (1309, 169459), (1649, 134519), (1747, 126973), (7469, 29699), (11543, 19217), (12229, 18139)]