245025

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^2$

素因数の和:44

約数の個数: 45

約数和(自身を含む): 498883

約数和(自身を除く): 253858

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 121, 135, 165, 225, 275, 297, 363, 405, 495, 605, 675, 825, 891, 1089, 1485, 1815, 2025, 2475, 3025, 3267, 4455, 5445, 7425, 9075, 9801, 16335, 22275, 27225, 49005, 81675, 245025]

約数ペア:

[(1, 245025), (3, 81675), (5, 49005), (9, 27225), (11, 22275), (15, 16335), (25, 9801), (27, 9075), (33, 7425), (45, 5445), (55, 4455), (75, 3267), (81, 3025), (99, 2475), (121, 2025), (135, 1815), (165, 1485), (225, 1089), (275, 891), (297, 825), (363, 675), (405, 605)]