28740015

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2493

約数の個数: 40

約数和(自身を含む): 53317440

約数和(自身を除く): 24577425

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 2447, 3915, 7341, 11745, 12235, 22023, 36705, 66069, 70963, 110115, 198207, 212889, 330345, 354815, 638667, 991035, 1064445, 1916001, 3193335, 5748003, 9580005, 28740015]

約数ペア:

[(1, 28740015), (3, 9580005), (5, 5748003), (9, 3193335), (15, 1916001), (27, 1064445), (29, 991035), (45, 638667), (81, 354815), (87, 330345), (135, 212889), (145, 198207), (261, 110115), (405, 70963), (435, 66069), (783, 36705), (1305, 22023), (2349, 12235), (2447, 11745), (3915, 7341)]