121428867

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1123}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 195665920

約数和(自身を除く): 74237053

約数列:

[1, 3, 7, 19, 21, 57, 133, 271, 399, 813, 1123, 1897, 3369, 5149, 5691, 7861, 15447, 21337, 23583, 36043, 64011, 108129, 149359, 304333, 448077, 912999, 2130331, 5782327, 6390993, 17346981, 40476289, 121428867]

約数ペア:

[(1, 121428867), (3, 40476289), (7, 17346981), (19, 6390993), (21, 5782327), (57, 2130331), (133, 912999), (271, 448077), (399, 304333), (813, 149359), (1123, 108129), (1897, 64011), (3369, 36043), (5149, 23583), (5691, 21337), (7861, 15447)]