65728125

素因数分解:

$3^3\times 5^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 131241600

約数和(自身を除く): 65513475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 41, 45, 57, 75, 95, 123, 125, 135, 171, 205, 225, 285, 369, 375, 475, 513, 615, 625, 675, 779, 855, 1025, 1107, 1125, 1425, 1845, 1875, 2337, 2375, 2565, 3075, 3125, 3375, 3895, 4275, 5125, 5535, 5625, 7011, 7125, 9225, 9375, 11685, 11875, 12825, 15375, 16875, 19475, 21033, 21375, 25625, 27675, 28125, 35055, 35625, 46125, 58425, 59375, 64125, 76875, 84375, 97375, 105165, 106875, 128125, 138375, 175275, 178125, 230625, 292125, 320625, 384375, 486875, 525825, 534375, 691875, 876375, 1153125, 1460625, 1603125, 2434375, 2629125, 3459375, 4381875, 7303125, 13145625, 21909375, 65728125]

約数ペア:

[(1, 65728125), (3, 21909375), (5, 13145625), (9, 7303125), (15, 4381875), (19, 3459375), (25, 2629125), (27, 2434375), (41, 1603125), (45, 1460625), (57, 1153125), (75, 876375), (95, 691875), (123, 534375), (125, 525825), (135, 486875), (171, 384375), (205, 320625), (225, 292125), (285, 230625), (369, 178125), (375, 175275), (475, 138375), (513, 128125), (615, 106875), (625, 105165), (675, 97375), (779, 84375), (855, 76875), (1025, 64125), (1107, 59375), (1125, 58425), (1425, 46125), (1845, 35625), (1875, 35055), (2337, 28125), (2375, 27675), (2565, 25625), (3075, 21375), (3125, 21033), (3375, 19475), (3895, 16875), (4275, 15375), (5125, 12825), (5535, 11875), (5625, 11685), (7011, 9375), (7125, 9225)]