204668775

素因数分解:

$3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1982

約数の個数: 60

約数和(自身を含む): 386473032

約数和(自身を除く): 181804257

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 135, 159, 225, 265, 405, 477, 675, 795, 1325, 1431, 1907, 2025, 2385, 3975, 4293, 5721, 7155, 9535, 11925, 17163, 21465, 28605, 35775, 47675, 51489, 85815, 101071, 107325, 143025, 154467, 257445, 303213, 429075, 505355, 772335, 909639, 1287225, 1516065, 2526775, 2728917, 3861675, 4548195, 7580325, 8186751, 13644585, 22740975, 40933755, 68222925, 204668775]

約数ペア:

[(1, 204668775), (3, 68222925), (5, 40933755), (9, 22740975), (15, 13644585), (25, 8186751), (27, 7580325), (45, 4548195), (53, 3861675), (75, 2728917), (81, 2526775), (135, 1516065), (159, 1287225), (225, 909639), (265, 772335), (405, 505355), (477, 429075), (675, 303213), (795, 257445), (1325, 154467), (1431, 143025), (1907, 107325), (2025, 101071), (2385, 85815), (3975, 51489), (4293, 47675), (5721, 35775), (7155, 28605), (9535, 21465), (11925, 17163)]