69881679

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 124001280

約数和(自身を除く): 54119601

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 357, 497, 639, 919, 1071, 1207, 1491, 2757, 3621, 4473, 6433, 8271, 8449, 10863, 15623, 19299, 25347, 46869, 57897, 65249, 76041, 109361, 140607, 195747, 328083, 456743, 587241, 984249, 1109233, 1370229, 3327699, 4110687, 7764631, 9983097, 23293893, 69881679]

約数ペア:

[(1, 69881679), (3, 23293893), (7, 9983097), (9, 7764631), (17, 4110687), (21, 3327699), (51, 1370229), (63, 1109233), (71, 984249), (119, 587241), (153, 456743), (213, 328083), (357, 195747), (497, 140607), (639, 109361), (919, 76041), (1071, 65249), (1207, 57897), (1491, 46869), (2757, 25347), (3621, 19299), (4473, 15623), (6433, 10863), (8271, 8449)]