261570555

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 462084480

約数和(自身を除く): 200513925

約数列:

[1, 3, 5, 9, 15, 45, 89, 241, 267, 271, 445, 723, 801, 813, 1205, 1335, 1355, 2169, 2439, 3615, 4005, 4065, 10845, 12195, 21449, 24119, 64347, 65311, 72357, 107245, 120595, 193041, 195933, 217071, 321735, 326555, 361785, 587799, 965205, 979665, 1085355, 2938995, 5812679, 17438037, 29063395, 52314111, 87190185, 261570555]

約数ペア:

[(1, 261570555), (3, 87190185), (5, 52314111), (9, 29063395), (15, 17438037), (45, 5812679), (89, 2938995), (241, 1085355), (267, 979665), (271, 965205), (445, 587799), (723, 361785), (801, 326555), (813, 321735), (1205, 217071), (1335, 195933), (1355, 193041), (2169, 120595), (2439, 107245), (3615, 72357), (4005, 65311), (4065, 64347), (10845, 24119), (12195, 21449)]