78341775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 134887200

約数和(自身を除く): 56545425

約数列:

[1, 3, 5, 15, 25, 41, 73, 75, 123, 205, 219, 349, 365, 615, 1025, 1047, 1095, 1745, 1825, 2993, 3075, 5235, 5475, 8725, 8979, 14309, 14965, 25477, 26175, 42927, 44895, 71545, 74825, 76431, 127385, 214635, 224475, 357725, 382155, 636925, 1044557, 1073175, 1910775, 3133671, 5222785, 15668355, 26113925, 78341775]

約数ペア:

[(1, 78341775), (3, 26113925), (5, 15668355), (15, 5222785), (25, 3133671), (41, 1910775), (73, 1073175), (75, 1044557), (123, 636925), (205, 382155), (219, 357725), (349, 224475), (365, 214635), (615, 127385), (1025, 76431), (1047, 74825), (1095, 71545), (1745, 44895), (1825, 42927), (2993, 26175), (3075, 25477), (5235, 14965), (5475, 14309), (8725, 8979)]