320625

素因数分解:

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

素因数の和:48

約数の個数: 40

約数和(自身を含む): 624800

約数和(自身を除く): 304175

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, 3375, 4275, 5625, 7125, 11875, 12825, 16875, 21375, 35625, 64125, 106875, 320625]

約数ペア:

[(1, 320625), (3, 106875), (5, 64125), (9, 35625), (15, 21375), (19, 16875), (25, 12825), (27, 11875), (45, 7125), (57, 5625), (75, 4275), (95, 3375), (125, 2565), (135, 2375), (171, 1875), (225, 1425), (285, 1125), (375, 855), (475, 675), (513, 625)]