208700925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{857}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 367690752

約数和(自身を除く): 158989827

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 191, 255, 425, 573, 857, 955, 1275, 2571, 2865, 3247, 4285, 4775, 9741, 12855, 14325, 14569, 16235, 21425, 43707, 48705, 64275, 72845, 81175, 163687, 218535, 243525, 364225, 491061, 818435, 1092675, 2455305, 2782679, 4092175, 8348037, 12276525, 13913395, 41740185, 69566975, 208700925]

約数ペア:

[(1, 208700925), (3, 69566975), (5, 41740185), (15, 13913395), (17, 12276525), (25, 8348037), (51, 4092175), (75, 2782679), (85, 2455305), (191, 1092675), (255, 818435), (425, 491061), (573, 364225), (857, 243525), (955, 218535), (1275, 163687), (2571, 81175), (2865, 72845), (3247, 64275), (4285, 48705), (4775, 43707), (9741, 21425), (12855, 16235), (14325, 14569)]