140054915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28019

約数の個数: 32

約数和(自身を含む): 225662976

約数和(自身を除く): 85608061

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 27983, 139915, 195881, 307813, 363779, 979405, 1539065, 1818895, 2154691, 2546453, 4001569, 10773455, 12732265, 20007845, 28010983, 140054915]

約数ペア:

[(1, 140054915), (5, 28010983), (7, 20007845), (11, 12732265), (13, 10773455), (35, 4001569), (55, 2546453), (65, 2154691), (77, 1818895), (91, 1539065), (143, 979405), (385, 363779), (455, 307813), (715, 195881), (1001, 139915), (5005, 27983)]