199401675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12721}}^1$

素因数の和:12764

約数の個数: 48

約数和(自身を含む): 378606720

約数和(自身を除く): 179205045

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 12721, 15675, 38163, 63605, 139931, 190815, 241699, 318025, 419793, 699655, 725097, 954075, 1208495, 2098965, 2658689, 3498275, 3625485, 6042475, 7976067, 10494825, 13293445, 18127425, 39880335, 66467225, 199401675]

約数ペア:

[(1, 199401675), (3, 66467225), (5, 39880335), (11, 18127425), (15, 13293445), (19, 10494825), (25, 7976067), (33, 6042475), (55, 3625485), (57, 3498275), (75, 2658689), (95, 2098965), (165, 1208495), (209, 954075), (275, 725097), (285, 699655), (475, 419793), (627, 318025), (825, 241699), (1045, 190815), (1425, 139931), (3135, 63605), (5225, 38163), (12721, 15675)]