71067885

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 139776000

約数和(自身を除く): 68708115

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 399, 665, 727, 735, 931, 1029, 1715, 1995, 2181, 2793, 3635, 4655, 5089, 5145, 6517, 10905, 13813, 13965, 15267, 19551, 25445, 32585, 35623, 41439, 69065, 76335, 96691, 97755, 106869, 178115, 207195, 249361, 290073, 483455, 534345, 676837, 748083, 1246805, 1450365, 2030511, 3384185, 3740415, 4737859, 10152555, 14213577, 23689295, 71067885]

約数ペア:

[(1, 71067885), (3, 23689295), (5, 14213577), (7, 10152555), (15, 4737859), (19, 3740415), (21, 3384185), (35, 2030511), (49, 1450365), (57, 1246805), (95, 748083), (105, 676837), (133, 534345), (147, 483455), (245, 290073), (285, 249361), (343, 207195), (399, 178115), (665, 106869), (727, 97755), (735, 96691), (931, 76335), (1029, 69065), (1715, 41439), (1995, 35623), (2181, 32585), (2793, 25445), (3635, 19551), (4655, 15267), (5089, 13965), (5145, 13813), (6517, 10905)]