31229121

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 24066879

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 89, 93, 147, 217, 231, 267, 341, 343, 539, 623, 651, 979, 1023, 1029, 1519, 1617, 1869, 2387, 2759, 2937, 3773, 4361, 4557, 6853, 7161, 8277, 10633, 11319, 13083, 16709, 19313, 20559, 30349, 30527, 31899, 47971, 50127, 57939, 91047, 91581, 116963, 135191, 143913, 212443, 335797, 350889, 405573, 637329, 946337, 1007391, 1487101, 2839011, 4461303, 10409707, 31229121]

約数ペア:

[(1, 31229121), (3, 10409707), (7, 4461303), (11, 2839011), (21, 1487101), (31, 1007391), (33, 946337), (49, 637329), (77, 405573), (89, 350889), (93, 335797), (147, 212443), (217, 143913), (231, 135191), (267, 116963), (341, 91581), (343, 91047), (539, 57939), (623, 50127), (651, 47971), (979, 31899), (1023, 30527), (1029, 30349), (1519, 20559), (1617, 19313), (1869, 16709), (2387, 13083), (2759, 11319), (2937, 10633), (3773, 8277), (4361, 7161), (4557, 6853)]