12278475

素因数分解:

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

素因数の和:90

約数の個数: 72

約数和(自身を含む): 24779664

約数和(自身を除く): 12501189

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 121, 123, 165, 205, 225, 275, 363, 369, 451, 495, 605, 615, 825, 1025, 1089, 1331, 1353, 1815, 1845, 2255, 2475, 3025, 3075, 3993, 4059, 4961, 5445, 6655, 6765, 9075, 9225, 11275, 11979, 14883, 19965, 20295, 24805, 27225, 33275, 33825, 44649, 54571, 59895, 74415, 99825, 101475, 124025, 163713, 223245, 272855, 299475, 372075, 491139, 818565, 1116225, 1364275, 2455695, 4092825, 12278475]

約数ペア:

[(1, 12278475), (3, 4092825), (5, 2455695), (9, 1364275), (11, 1116225), (15, 818565), (25, 491139), (33, 372075), (41, 299475), (45, 272855), (55, 223245), (75, 163713), (99, 124025), (121, 101475), (123, 99825), (165, 74415), (205, 59895), (225, 54571), (275, 44649), (363, 33825), (369, 33275), (451, 27225), (495, 24805), (605, 20295), (615, 19965), (825, 14883), (1025, 11979), (1089, 11275), (1331, 9225), (1353, 9075), (1815, 6765), (1845, 6655), (2255, 5445), (2475, 4961), (3025, 4059), (3075, 3993)]