28336875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 57581568

約数和(自身を除く): 29244693

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 127, 175, 255, 357, 375, 381, 425, 525, 595, 625, 635, 875, 889, 1275, 1785, 1875, 1905, 2125, 2159, 2625, 2667, 2975, 3175, 4375, 4445, 6375, 6477, 8925, 9525, 10625, 10795, 13125, 13335, 14875, 15113, 15875, 22225, 31875, 32385, 44625, 45339, 47625, 53975, 66675, 74375, 75565, 79375, 111125, 161925, 223125, 226695, 238125, 269875, 333375, 377825, 555625, 809625, 1133475, 1349375, 1666875, 1889125, 4048125, 5667375, 9445625, 28336875]

約数ペア:

[(1, 28336875), (3, 9445625), (5, 5667375), (7, 4048125), (15, 1889125), (17, 1666875), (21, 1349375), (25, 1133475), (35, 809625), (51, 555625), (75, 377825), (85, 333375), (105, 269875), (119, 238125), (125, 226695), (127, 223125), (175, 161925), (255, 111125), (357, 79375), (375, 75565), (381, 74375), (425, 66675), (525, 53975), (595, 47625), (625, 45339), (635, 44625), (875, 32385), (889, 31875), (1275, 22225), (1785, 15875), (1875, 15113), (1905, 14875), (2125, 13335), (2159, 13125), (2625, 10795), (2667, 10625), (2975, 9525), (3175, 8925), (4375, 6477), (4445, 6375)]