1531875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 2749120

約数和(自身を除く): 1217245

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 125, 129, 215, 285, 375, 475, 625, 645, 817, 1075, 1425, 1875, 2375, 2451, 3225, 4085, 5375, 7125, 11875, 12255, 16125, 20425, 26875, 35625, 61275, 80625, 102125, 306375, 510625, 1531875]

約数ペア:

[(1, 1531875), (3, 510625), (5, 306375), (15, 102125), (19, 80625), (25, 61275), (43, 35625), (57, 26875), (75, 20425), (95, 16125), (125, 12255), (129, 11875), (215, 7125), (285, 5375), (375, 4085), (475, 3225), (625, 2451), (645, 2375), (817, 1875), (1075, 1425)]