971569275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1667}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 1696022400

約数和(自身を除く): 724453125

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 409, 475, 1227, 1425, 1667, 2045, 5001, 6135, 7771, 8335, 10225, 23313, 25005, 30675, 31673, 38855, 41675, 95019, 116565, 125025, 158365, 194275, 475095, 582825, 681803, 791825, 2045409, 2375475, 3409015, 10227045, 12954257, 17045075, 38862771, 51135225, 64771285, 194313855, 323856425, 971569275]

約数ペア:

[(1, 971569275), (3, 323856425), (5, 194313855), (15, 64771285), (19, 51135225), (25, 38862771), (57, 17045075), (75, 12954257), (95, 10227045), (285, 3409015), (409, 2375475), (475, 2045409), (1227, 791825), (1425, 681803), (1667, 582825), (2045, 475095), (5001, 194275), (6135, 158365), (7771, 125025), (8335, 116565), (10225, 95019), (23313, 41675), (25005, 38855), (30675, 31673)]