206531235

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1209

約数の個数: 64

約数和(自身を含む): 392140800

約数和(自身を除く): 185609565

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 73, 95, 135, 171, 219, 285, 365, 513, 657, 855, 1095, 1103, 1387, 1971, 2565, 3285, 3309, 4161, 5515, 6935, 9855, 9927, 12483, 16545, 20805, 20957, 29781, 37449, 49635, 62415, 62871, 80519, 104785, 148905, 187245, 188613, 241557, 314355, 402595, 565839, 724671, 943065, 1207785, 1529861, 2174013, 2829195, 3623355, 4589583, 7649305, 10870065, 13768749, 22947915, 41306247, 68843745, 206531235]

約数ペア:

[(1, 206531235), (3, 68843745), (5, 41306247), (9, 22947915), (15, 13768749), (19, 10870065), (27, 7649305), (45, 4589583), (57, 3623355), (73, 2829195), (95, 2174013), (135, 1529861), (171, 1207785), (219, 943065), (285, 724671), (365, 565839), (513, 402595), (657, 314355), (855, 241557), (1095, 188613), (1103, 187245), (1387, 148905), (1971, 104785), (2565, 80519), (3285, 62871), (3309, 62415), (4161, 49635), (5515, 37449), (6935, 29781), (9855, 20957), (9927, 20805), (12483, 16545)]