201920931807

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{179957}}^1$

素因数の和:180440

約数の個数: 48

約数和(自身を含む): 332346434400

約数和(自身を除く): 130425502593

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 449, 833, 1347, 2499, 3143, 7633, 9429, 22001, 22899, 53431, 66003, 160293, 179957, 374017, 539871, 1122051, 1259699, 3059269, 3779097, 8817893, 9177807, 21414883, 26453679, 64244649, 80800693, 149904181, 242402079, 449712543, 565604851, 1373611781, 1696814553, 3959233957, 4120835343, 9615282467, 11877701871, 28845847401, 67306977269, 201920931807]

約数ペア:

[(1, 201920931807), (3, 67306977269), (7, 28845847401), (17, 11877701871), (21, 9615282467), (49, 4120835343), (51, 3959233957), (119, 1696814553), (147, 1373611781), (357, 565604851), (449, 449712543), (833, 242402079), (1347, 149904181), (2499, 80800693), (3143, 64244649), (7633, 26453679), (9429, 21414883), (22001, 9177807), (22899, 8817893), (53431, 3779097), (66003, 3059269), (160293, 1259699), (179957, 1122051), (374017, 539871)]