213018687

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 385136640

約数和(自身を除く): 172117953

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 167, 189, 357, 397, 459, 501, 1071, 1169, 1191, 1503, 2779, 2839, 3213, 3507, 3573, 4509, 6749, 8337, 8517, 10521, 10719, 19873, 20247, 25011, 25551, 31563, 47243, 59619, 60741, 66299, 75033, 76653, 141729, 178857, 182223, 198897, 425187, 464093, 536571, 596691, 1127083, 1275561, 1392279, 1790073, 3381249, 4176837, 7889581, 10143747, 12530511, 23668743, 30431241, 71006229, 213018687]

約数ペア:

[(1, 213018687), (3, 71006229), (7, 30431241), (9, 23668743), (17, 12530511), (21, 10143747), (27, 7889581), (51, 4176837), (63, 3381249), (119, 1790073), (153, 1392279), (167, 1275561), (189, 1127083), (357, 596691), (397, 536571), (459, 464093), (501, 425187), (1071, 198897), (1169, 182223), (1191, 178857), (1503, 141729), (2779, 76653), (2839, 75033), (3213, 66299), (3507, 60741), (3573, 59619), (4509, 47243), (6749, 31563), (8337, 25551), (8517, 25011), (10521, 20247), (10719, 19873)]