20403749025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{749449}}^1$

素因数の和:749487

約数の個数: 54

約数和(自身を含む): 40169770550

約数和(自身を除く): 19766021525

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 1089, 1815, 2475, 3025, 5445, 9075, 27225, 749449, 2248347, 3747245, 6745041, 8243939, 11241735, 18736225, 24731817, 33725205, 41219695, 56208675, 74195451, 90683329, 123659085, 168626025, 206098475, 272049987, 370977255, 453416645, 618295425, 816149961, 1360249935, 1854886275, 2267083225, 4080749805, 6801249675, 20403749025]

約数ペア:

[(1, 20403749025), (3, 6801249675), (5, 4080749805), (9, 2267083225), (11, 1854886275), (15, 1360249935), (25, 816149961), (33, 618295425), (45, 453416645), (55, 370977255), (75, 272049987), (99, 206098475), (121, 168626025), (165, 123659085), (225, 90683329), (275, 74195451), (363, 56208675), (495, 41219695), (605, 33725205), (825, 24731817), (1089, 18736225), (1815, 11241735), (2475, 8243939), (3025, 6745041), (5445, 3747245), (9075, 2248347), (27225, 749449)]