2021247525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3243

約数の個数: 72

約数和(自身を含む): 3726136512

約数和(自身を除く): 1704888987

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 121, 165, 213, 275, 355, 363, 605, 781, 825, 1065, 1775, 1815, 2343, 3025, 3137, 3905, 5325, 8591, 9075, 9411, 11715, 15685, 19525, 25773, 34507, 42955, 47055, 58575, 78425, 103521, 128865, 172535, 214775, 222727, 235275, 379577, 517605, 644325, 668181, 862675, 1113635, 1138731, 1897885, 2449997, 2588025, 3340905, 5568175, 5693655, 7349991, 9489425, 12249985, 16704525, 26949967, 28468275, 36749955, 61249925, 80849901, 134749835, 183749775, 404249505, 673749175, 2021247525]

約数ペア:

[(1, 2021247525), (3, 673749175), (5, 404249505), (11, 183749775), (15, 134749835), (25, 80849901), (33, 61249925), (55, 36749955), (71, 28468275), (75, 26949967), (121, 16704525), (165, 12249985), (213, 9489425), (275, 7349991), (355, 5693655), (363, 5568175), (605, 3340905), (781, 2588025), (825, 2449997), (1065, 1897885), (1775, 1138731), (1815, 1113635), (2343, 862675), (3025, 668181), (3137, 644325), (3905, 517605), (5325, 379577), (8591, 235275), (9075, 222727), (9411, 214775), (11715, 172535), (15685, 128865), (19525, 103521), (25773, 78425), (34507, 58575), (42955, 47055)]