1603125

素因数分解:

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

素因数の和:53

約数の個数: 48

約数和(自身を含む): 3124800

約数和(自身を除く): 1521675

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, 16875, 21375, 28125, 35625, 59375, 64125, 84375, 106875, 178125, 320625, 534375, 1603125]

約数ペア:

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