71716155

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 65141445

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 263, 265, 343, 371, 735, 789, 795, 1029, 1113, 1315, 1715, 1841, 1855, 2597, 3945, 5145, 5523, 5565, 7791, 9205, 12887, 12985, 13939, 18179, 27615, 38661, 38955, 41817, 54537, 64435, 69695, 90209, 90895, 97573, 193305, 209085, 270627, 272685, 292719, 451045, 487865, 683011, 1353135, 1463595, 2049033, 3415055, 4781077, 10245165, 14343231, 23905385, 71716155]

約数ペア:

[(1, 71716155), (3, 23905385), (5, 14343231), (7, 10245165), (15, 4781077), (21, 3415055), (35, 2049033), (49, 1463595), (53, 1353135), (105, 683011), (147, 487865), (159, 451045), (245, 292719), (263, 272685), (265, 270627), (343, 209085), (371, 193305), (735, 97573), (789, 90895), (795, 90209), (1029, 69695), (1113, 64435), (1315, 54537), (1715, 41817), (1841, 38955), (1855, 38661), (2597, 27615), (3945, 18179), (5145, 13939), (5523, 12985), (5565, 12887), (7791, 9205)]