31471641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 51302160

約数和(自身を除く): 19830519

約数列:

[1, 3, 9, 17, 29, 41, 51, 87, 123, 153, 173, 261, 369, 493, 519, 697, 1189, 1479, 1557, 2091, 2941, 3567, 4437, 5017, 6273, 7093, 8823, 10701, 15051, 20213, 21279, 26469, 45153, 60639, 63837, 85289, 120581, 181917, 205697, 255867, 361743, 617091, 767601, 1085229, 1851273, 3496849, 10490547, 31471641]

約数ペア:

[(1, 31471641), (3, 10490547), (9, 3496849), (17, 1851273), (29, 1085229), (41, 767601), (51, 617091), (87, 361743), (123, 255867), (153, 205697), (173, 181917), (261, 120581), (369, 85289), (493, 63837), (519, 60639), (697, 45153), (1189, 26469), (1479, 21279), (1557, 20213), (2091, 15051), (2941, 10701), (3567, 8823), (4437, 7093), (5017, 6273)]