680851275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41077}}^1$

素因数の和:41120

約数の個数: 48

約数和(自身を含む): 1283605344

約数和(自身を除く): 602754069

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 16575, 41077, 123231, 205385, 534001, 616155, 698309, 1026925, 1602003, 2094927, 2670005, 3080775, 3491545, 8010015, 9078017, 10474635, 13350025, 17457725, 27234051, 40050075, 45390085, 52373175, 136170255, 226950425, 680851275]

約数ペア:

[(1, 680851275), (3, 226950425), (5, 136170255), (13, 52373175), (15, 45390085), (17, 40050075), (25, 27234051), (39, 17457725), (51, 13350025), (65, 10474635), (75, 9078017), (85, 8010015), (195, 3491545), (221, 3080775), (255, 2670005), (325, 2094927), (425, 1602003), (663, 1026925), (975, 698309), (1105, 616155), (1275, 534001), (3315, 205385), (5525, 123231), (16575, 41077)]