207675279

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 362611200

約数和(自身を除く): 154935921

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 553, 711, 1323, 1659, 1987, 2133, 3871, 4977, 5961, 11613, 13909, 14931, 17883, 34839, 41727, 53649, 97363, 104517, 125181, 156973, 292089, 375543, 470919, 876267, 1098811, 1412757, 2628801, 3296433, 4238271, 7691677, 9889299, 23075031, 29667897, 69225093, 207675279]

約数ペア:

[(1, 207675279), (3, 69225093), (7, 29667897), (9, 23075031), (21, 9889299), (27, 7691677), (49, 4238271), (63, 3296433), (79, 2628801), (147, 1412757), (189, 1098811), (237, 876267), (441, 470919), (553, 375543), (711, 292089), (1323, 156973), (1659, 125181), (1987, 104517), (2133, 97363), (3871, 53649), (4977, 41727), (5961, 34839), (11613, 17883), (13909, 14931)]