90181119

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 145035360

約数和(自身を除く): 54854241

約数列:

[1, 3, 7, 21, 49, 61, 89, 113, 147, 183, 267, 339, 427, 623, 791, 1281, 1869, 2373, 2989, 4361, 5429, 5537, 6893, 8967, 10057, 13083, 16287, 16611, 20679, 30171, 38003, 48251, 70399, 114009, 144753, 211197, 266021, 337757, 492793, 613477, 798063, 1013271, 1478379, 1840431, 4294339, 12883017, 30060373, 90181119]

約数ペア:

[(1, 90181119), (3, 30060373), (7, 12883017), (21, 4294339), (49, 1840431), (61, 1478379), (89, 1013271), (113, 798063), (147, 613477), (183, 492793), (267, 337757), (339, 266021), (427, 211197), (623, 144753), (791, 114009), (1281, 70399), (1869, 48251), (2373, 38003), (2989, 30171), (4361, 20679), (5429, 16611), (5537, 16287), (6893, 13083), (8967, 10057)]