2155705905

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{30211}}^1$

素因数の和:30357

約数の個数: 32

約数和(自身を含む): 3550030848

約数和(自身を除く): 1394324943

約数列:

[1, 3, 5, 15, 67, 71, 201, 213, 335, 355, 1005, 1065, 4757, 14271, 23785, 30211, 71355, 90633, 151055, 453165, 2024137, 2144981, 6072411, 6434943, 10120685, 10724905, 30362055, 32174715, 143713727, 431141181, 718568635, 2155705905]

約数ペア:

[(1, 2155705905), (3, 718568635), (5, 431141181), (15, 143713727), (67, 32174715), (71, 30362055), (201, 10724905), (213, 10120685), (335, 6434943), (355, 6072411), (1005, 2144981), (1065, 2024137), (4757, 453165), (14271, 151055), (23785, 90633), (30211, 71355)]