71472009

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 111181824

約数和(自身を除く): 39709815

約数列:

[1, 3, 7, 21, 103, 173, 191, 309, 519, 573, 721, 1211, 1337, 2163, 3633, 4011, 17819, 19673, 33043, 53457, 59019, 99129, 124733, 137711, 231301, 374199, 413133, 693903, 3403429, 10210287, 23824003, 71472009]

約数ペア:

[(1, 71472009), (3, 23824003), (7, 10210287), (21, 3403429), (103, 693903), (173, 413133), (191, 374199), (309, 231301), (519, 137711), (573, 124733), (721, 99129), (1211, 59019), (1337, 53457), (2163, 33043), (3633, 19673), (4011, 17819)]