15938775

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 31328352

約数和(自身を除く): 15389577

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 463, 675, 765, 1275, 1377, 1389, 2025, 2295, 2315, 3825, 4167, 6885, 6945, 7871, 11475, 11575, 12501, 20835, 23613, 34425, 34725, 37503, 39355, 62505, 70839, 104175, 118065, 187515, 196775, 212517, 312525, 354195, 590325, 637551, 937575, 1062585, 1770975, 3187755, 5312925, 15938775]

約数ペア:

[(1, 15938775), (3, 5312925), (5, 3187755), (9, 1770975), (15, 1062585), (17, 937575), (25, 637551), (27, 590325), (45, 354195), (51, 312525), (75, 212517), (81, 196775), (85, 187515), (135, 118065), (153, 104175), (225, 70839), (255, 62505), (405, 39355), (425, 37503), (459, 34725), (463, 34425), (675, 23613), (765, 20835), (1275, 12501), (1377, 11575), (1389, 11475), (2025, 7871), (2295, 6945), (2315, 6885), (3825, 4167)]