215422263

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 365601600

約数和(自身を除く): 150179337

約数列:

[1, 3, 7, 9, 21, 53, 63, 149, 159, 371, 433, 447, 477, 1043, 1113, 1299, 1341, 3031, 3129, 3339, 3897, 7897, 9093, 9387, 22949, 23691, 27279, 55279, 64517, 68847, 71073, 160643, 165837, 193551, 206541, 451619, 481929, 497511, 580653, 1354857, 1445787, 3419401, 4064571, 10258203, 23935807, 30774609, 71807421, 215422263]

約数ペア:

[(1, 215422263), (3, 71807421), (7, 30774609), (9, 23935807), (21, 10258203), (53, 4064571), (63, 3419401), (149, 1445787), (159, 1354857), (371, 580653), (433, 497511), (447, 481929), (477, 451619), (1043, 206541), (1113, 193551), (1299, 165837), (1341, 160643), (3031, 71073), (3129, 68847), (3339, 64517), (3897, 55279), (7897, 27279), (9093, 23691), (9387, 22949)]