91971405

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 165634560

約数和(自身を除く): 73663155

約数列:

[1, 3, 5, 9, 15, 41, 45, 79, 123, 205, 237, 369, 395, 615, 631, 711, 1185, 1845, 1893, 3155, 3239, 3555, 5679, 9465, 9717, 16195, 25871, 28395, 29151, 48585, 49849, 77613, 129355, 145755, 149547, 232839, 249245, 388065, 448641, 747735, 1164195, 2043809, 2243205, 6131427, 10219045, 18394281, 30657135, 91971405]

約数ペア:

[(1, 91971405), (3, 30657135), (5, 18394281), (9, 10219045), (15, 6131427), (41, 2243205), (45, 2043809), (79, 1164195), (123, 747735), (205, 448641), (237, 388065), (369, 249245), (395, 232839), (615, 149547), (631, 145755), (711, 129355), (1185, 77613), (1845, 49849), (1893, 48585), (3155, 29151), (3239, 28395), (3555, 25871), (5679, 16195), (9465, 9717)]