67181985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 128510928

約数和(自身を除く): 61328943

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1599, 1845, 2665, 2801, 4797, 7995, 8403, 14005, 23985, 25209, 36413, 42015, 109239, 114841, 126045, 182065, 327717, 344523, 546195, 574205, 1033569, 1492933, 1638585, 1722615, 4478799, 5167845, 7464665, 13436397, 22393995, 67181985]

約数ペア:

[(1, 67181985), (3, 22393995), (5, 13436397), (9, 7464665), (13, 5167845), (15, 4478799), (39, 1722615), (41, 1638585), (45, 1492933), (65, 1033569), (117, 574205), (123, 546195), (195, 344523), (205, 327717), (369, 182065), (533, 126045), (585, 114841), (615, 109239), (1599, 42015), (1845, 36413), (2665, 25209), (2801, 23985), (4797, 14005), (7995, 8403)]