209969925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 381642240

約数和(自身を除く): 171672315

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 139, 165, 275, 417, 695, 825, 1529, 1831, 2085, 3475, 4587, 5493, 7645, 9155, 10425, 20141, 22935, 27465, 38225, 45775, 60423, 100705, 114675, 137325, 254509, 302115, 503525, 763527, 1272545, 1510575, 2799599, 3817635, 6362725, 8398797, 13997995, 19088175, 41993985, 69989975, 209969925]

約数ペア:

[(1, 209969925), (3, 69989975), (5, 41993985), (11, 19088175), (15, 13997995), (25, 8398797), (33, 6362725), (55, 3817635), (75, 2799599), (139, 1510575), (165, 1272545), (275, 763527), (417, 503525), (695, 302115), (825, 254509), (1529, 137325), (1831, 114675), (2085, 100705), (3475, 60423), (4587, 45775), (5493, 38225), (7645, 27465), (9155, 22935), (10425, 20141)]