211130955

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{10639}}^1$

素因数の和:10670

約数の個数: 60

約数和(自身を含む): 440304480

約数和(自身を除く): 229173525

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3969, 6615, 10639, 19845, 31917, 53195, 74473, 95751, 159585, 223419, 287253, 372365, 478755, 521311, 670257, 861759, 1117095, 1436265, 1563933, 2010771, 2606555, 3351285, 4308795, 4691799, 6032313, 7819665, 10053855, 14075397, 23458995, 30161565, 42226191, 70376985, 211130955]

約数ペア:

[(1, 211130955), (3, 70376985), (5, 42226191), (7, 30161565), (9, 23458995), (15, 14075397), (21, 10053855), (27, 7819665), (35, 6032313), (45, 4691799), (49, 4308795), (63, 3351285), (81, 2606555), (105, 2010771), (135, 1563933), (147, 1436265), (189, 1117095), (245, 861759), (315, 670257), (405, 521311), (441, 478755), (567, 372365), (735, 287253), (945, 223419), (1323, 159585), (2205, 95751), (2835, 74473), (3969, 53195), (6615, 31917), (10639, 19845)]