199982925

素因数分解:

$3^6\times 5^2\times {\mathrm{10973}}^1$

素因数の和:11001

約数の個数: 42

約数和(自身を含む): 371832042

約数和(自身を除く): 171849117

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 10973, 18225, 32919, 54865, 98757, 164595, 274325, 296271, 493785, 822975, 888813, 1481355, 2468925, 2666439, 4444065, 7406775, 7999317, 13332195, 22220325, 39996585, 66660975, 199982925]

約数ペア:

[(1, 199982925), (3, 66660975), (5, 39996585), (9, 22220325), (15, 13332195), (25, 7999317), (27, 7406775), (45, 4444065), (75, 2666439), (81, 2468925), (135, 1481355), (225, 888813), (243, 822975), (405, 493785), (675, 296271), (729, 274325), (1215, 164595), (2025, 98757), (3645, 54865), (6075, 32919), (10973, 18225)]