206815089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 306619264

約数和(自身を除く): 99804175

約数列:

[1, 3, 13, 37, 39, 111, 331, 433, 481, 993, 1299, 1443, 4303, 5629, 12247, 12909, 16021, 16887, 36741, 48063, 143323, 159211, 208273, 429969, 477633, 624819, 1863199, 5302951, 5589597, 15908853, 68938363, 206815089]

約数ペア:

[(1, 206815089), (3, 68938363), (13, 15908853), (37, 5589597), (39, 5302951), (111, 1863199), (331, 624819), (433, 477633), (481, 429969), (993, 208273), (1299, 159211), (1443, 143323), (4303, 48063), (5629, 36741), (12247, 16887), (12909, 16021)]