1921306569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 3236126208

約数和(自身を除く): 1314819639

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 113, 183, 273, 339, 427, 791, 793, 1021, 1281, 1469, 2373, 2379, 3063, 4407, 5551, 6893, 7147, 10283, 13273, 16653, 20679, 21441, 30849, 39819, 48251, 62281, 89609, 92911, 115373, 144753, 186843, 268827, 278733, 346119, 435967, 627263, 807611, 809653, 1307901, 1499849, 1881789, 2422833, 2428959, 4499547, 5667571, 7037753, 10498943, 17002713, 21113259, 31496829, 49264271, 91490789, 147792813, 274472367, 640435523, 1921306569]

約数ペア:

[(1, 1921306569), (3, 640435523), (7, 274472367), (13, 147792813), (21, 91490789), (39, 49264271), (61, 31496829), (91, 21113259), (113, 17002713), (183, 10498943), (273, 7037753), (339, 5667571), (427, 4499547), (791, 2428959), (793, 2422833), (1021, 1881789), (1281, 1499849), (1469, 1307901), (2373, 809653), (2379, 807611), (3063, 627263), (4407, 435967), (5551, 346119), (6893, 278733), (7147, 268827), (10283, 186843), (13273, 144753), (16653, 115373), (20679, 92911), (21441, 89609), (30849, 62281), (39819, 48251)]