13293225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 26810784

約数和(自身を除く): 13517559

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 131, 165, 205, 225, 275, 369, 393, 451, 495, 615, 655, 825, 1025, 1179, 1353, 1441, 1845, 1965, 2255, 2475, 3075, 3275, 4059, 4323, 5371, 5895, 6765, 7205, 9225, 9825, 11275, 12969, 16113, 20295, 21615, 26855, 29475, 33825, 36025, 48339, 59081, 64845, 80565, 101475, 108075, 134275, 177243, 241695, 295405, 324225, 402825, 531729, 886215, 1208475, 1477025, 2658645, 4431075, 13293225]

約数ペア:

[(1, 13293225), (3, 4431075), (5, 2658645), (9, 1477025), (11, 1208475), (15, 886215), (25, 531729), (33, 402825), (41, 324225), (45, 295405), (55, 241695), (75, 177243), (99, 134275), (123, 108075), (131, 101475), (165, 80565), (205, 64845), (225, 59081), (275, 48339), (369, 36025), (393, 33825), (451, 29475), (495, 26855), (615, 21615), (655, 20295), (825, 16113), (1025, 12969), (1179, 11275), (1353, 9825), (1441, 9225), (1845, 7205), (1965, 6765), (2255, 5895), (2475, 5371), (3075, 4323), (3275, 4059)]