321578271

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 544078080

約数和(自身を除く): 222499809

約数列:

[1, 3, 7, 9, 21, 63, 83, 89, 249, 267, 581, 623, 691, 747, 801, 1743, 1869, 2073, 4837, 5229, 5607, 6219, 7387, 14511, 22161, 43533, 51709, 57353, 61499, 66483, 155127, 172059, 184497, 401471, 430493, 465381, 516177, 553491, 1204413, 1291479, 3613239, 3874437, 5104417, 15313251, 35730919, 45939753, 107192757, 321578271]

約数ペア:

[(1, 321578271), (3, 107192757), (7, 45939753), (9, 35730919), (21, 15313251), (63, 5104417), (83, 3874437), (89, 3613239), (249, 1291479), (267, 1204413), (581, 553491), (623, 516177), (691, 465381), (747, 430493), (801, 401471), (1743, 184497), (1869, 172059), (2073, 155127), (4837, 66483), (5229, 61499), (5607, 57353), (6219, 51709), (7387, 43533), (14511, 22161)]