77172879

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 120130560

約数和(自身を除く): 42957681

約数列:

[1, 3, 7, 21, 89, 157, 263, 267, 471, 623, 789, 1099, 1841, 1869, 3297, 5523, 13973, 23407, 41291, 41919, 70221, 97811, 123873, 163849, 289037, 293433, 491547, 867111, 3674899, 11024697, 25724293, 77172879]

約数ペア:

[(1, 77172879), (3, 25724293), (7, 11024697), (21, 3674899), (89, 867111), (157, 491547), (263, 293433), (267, 289037), (471, 163849), (623, 123873), (789, 97811), (1099, 70221), (1841, 41919), (1869, 41291), (3297, 23407), (5523, 13973)]