28202175

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 60

約数和(自身を含む): 55064680

約数和(自身を除く): 26862505

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 733, 855, 1425, 1539, 2025, 2199, 2565, 3665, 4275, 6597, 7695, 10995, 12825, 13927, 18325, 19791, 32985, 38475, 41781, 54975, 59373, 69635, 98955, 125343, 164925, 208905, 296865, 348175, 376029, 494775, 626715, 1044525, 1128087, 1484325, 1880145, 3133575, 5640435, 9400725, 28202175]

約数ペア:

[(1, 28202175), (3, 9400725), (5, 5640435), (9, 3133575), (15, 1880145), (19, 1484325), (25, 1128087), (27, 1044525), (45, 626715), (57, 494775), (75, 376029), (81, 348175), (95, 296865), (135, 208905), (171, 164925), (225, 125343), (285, 98955), (405, 69635), (475, 59373), (513, 54975), (675, 41781), (733, 38475), (855, 32985), (1425, 19791), (1539, 18325), (2025, 13927), (2199, 12825), (2565, 10995), (3665, 7695), (4275, 6597)]