8015625

素因数分解:

$3^3\times 5^6\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 56

約数和(自身を含む): 15624800

約数和(自身を除く): 7609175

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 375, 475, 513, 625, 675, 855, 1125, 1425, 1875, 2375, 2565, 3125, 3375, 4275, 5625, 7125, 9375, 11875, 12825, 15625, 16875, 21375, 28125, 35625, 46875, 59375, 64125, 84375, 106875, 140625, 178125, 296875, 320625, 421875, 534375, 890625, 1603125, 2671875, 8015625]

約数ペア:

[(1, 8015625), (3, 2671875), (5, 1603125), (9, 890625), (15, 534375), (19, 421875), (25, 320625), (27, 296875), (45, 178125), (57, 140625), (75, 106875), (95, 84375), (125, 64125), (135, 59375), (171, 46875), (225, 35625), (285, 28125), (375, 21375), (475, 16875), (513, 15625), (625, 12825), (675, 11875), (855, 9375), (1125, 7125), (1425, 5625), (1875, 4275), (2375, 3375), (2565, 3125)]