2021656575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1021}}^1\times {\mathrm{1553}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 3544835616

約数和(自身を除く): 1523179041

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1021, 1275, 1553, 3063, 4659, 5105, 7765, 15315, 17357, 23295, 25525, 26401, 38825, 52071, 76575, 79203, 86785, 116475, 132005, 260355, 396015, 433925, 660025, 1301775, 1585613, 1980075, 4756839, 7928065, 23784195, 26955421, 39640325, 80866263, 118920975, 134777105, 404331315, 673885525, 2021656575]

約数ペア:

[(1, 2021656575), (3, 673885525), (5, 404331315), (15, 134777105), (17, 118920975), (25, 80866263), (51, 39640325), (75, 26955421), (85, 23784195), (255, 7928065), (425, 4756839), (1021, 1980075), (1275, 1585613), (1553, 1301775), (3063, 660025), (4659, 433925), (5105, 396015), (7765, 260355), (15315, 132005), (17357, 116475), (23295, 86785), (25525, 79203), (26401, 76575), (38825, 52071)]