208472651991

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1\times {\mathrm{1321}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 315317094400

約数和(自身を除く): 106844442409

約数列:

[1, 3, 9, 27, 79, 237, 241, 307, 711, 723, 921, 1321, 2133, 2169, 2763, 3963, 6507, 8289, 11889, 19039, 24253, 35667, 57117, 72759, 73987, 104359, 171351, 218277, 221961, 313077, 318361, 405547, 514053, 654831, 665883, 939231, 955083, 1216641, 1997649, 2817693, 2865249, 3649923, 5844973, 8595747, 10949769, 17534919, 25150519, 32038213, 52604757, 75451557, 96114639, 97736827, 157814271, 226354671, 288343917, 293210481, 679064013, 865031751, 879631443, 2638894329, 7721209333, 23163627999, 69490883997, 208472651991]

約数ペア:

[(1, 208472651991), (3, 69490883997), (9, 23163627999), (27, 7721209333), (79, 2638894329), (237, 879631443), (241, 865031751), (307, 679064013), (711, 293210481), (723, 288343917), (921, 226354671), (1321, 157814271), (2133, 97736827), (2169, 96114639), (2763, 75451557), (3963, 52604757), (6507, 32038213), (8289, 25150519), (11889, 17534919), (19039, 10949769), (24253, 8595747), (35667, 5844973), (57117, 3649923), (72759, 2865249), (73987, 2817693), (104359, 1997649), (171351, 1216641), (218277, 955083), (221961, 939231), (313077, 665883), (318361, 654831), (405547, 514053)]