201455905

素因数分解:

$5^1\times 7^4\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 286575912

約数和(自身を除く): 85120007

約数列:

[1, 5, 7, 35, 49, 97, 173, 245, 343, 485, 679, 865, 1211, 1715, 2401, 3395, 4753, 6055, 8477, 12005, 16781, 23765, 33271, 42385, 59339, 83905, 117467, 166355, 232897, 296695, 415373, 587335, 822269, 1164485, 2076865, 4111345, 5755883, 28779415, 40291181, 201455905]

約数ペア:

[(1, 201455905), (5, 40291181), (7, 28779415), (35, 5755883), (49, 4111345), (97, 2076865), (173, 1164485), (245, 822269), (343, 587335), (485, 415373), (679, 296695), (865, 232897), (1211, 166355), (1715, 117467), (2401, 83905), (3395, 59339), (4753, 42385), (6055, 33271), (8477, 23765), (12005, 16781)]