25380675

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 49104000

約数和(自身を除く): 23723325

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 1979, 2565, 4275, 5937, 9895, 12825, 17811, 29685, 37601, 49475, 53433, 89055, 112803, 148425, 188005, 267165, 338409, 445275, 564015, 940025, 1015227, 1335825, 1692045, 2820075, 5076135, 8460225, 25380675]

約数ペア:

[(1, 25380675), (3, 8460225), (5, 5076135), (9, 2820075), (15, 1692045), (19, 1335825), (25, 1015227), (27, 940025), (45, 564015), (57, 445275), (75, 338409), (95, 267165), (135, 188005), (171, 148425), (225, 112803), (285, 89055), (475, 53433), (513, 49475), (675, 37601), (855, 29685), (1425, 17811), (1979, 12825), (2565, 9895), (4275, 5937)]