208763925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3407}}^1$

素因数の和:3482

約数の個数: 48

約数和(自身を含む): 371880960

約数和(自身を除く): 163117035

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1425, 2451, 3225, 3407, 4085, 10221, 12255, 17035, 20425, 51105, 61275, 64733, 85175, 146501, 194199, 255525, 323665, 439503, 732505, 970995, 1618325, 2197515, 2783519, 3662525, 4854975, 8350557, 10987575, 13917595, 41752785, 69587975, 208763925]

約数ペア:

[(1, 208763925), (3, 69587975), (5, 41752785), (15, 13917595), (19, 10987575), (25, 8350557), (43, 4854975), (57, 3662525), (75, 2783519), (95, 2197515), (129, 1618325), (215, 970995), (285, 732505), (475, 439503), (645, 323665), (817, 255525), (1075, 194199), (1425, 146501), (2451, 85175), (3225, 64733), (3407, 61275), (4085, 51105), (10221, 20425), (12255, 17035)]