818562015

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 1439133696

約数和(自身を除く): 620571681

約数列:

[1, 3, 5, 9, 15, 45, 131, 191, 393, 573, 655, 727, 955, 1179, 1719, 1965, 2181, 2865, 3635, 5895, 6543, 8595, 10905, 25021, 32715, 75063, 95237, 125105, 138857, 225189, 285711, 375315, 416571, 476185, 694285, 857133, 1125945, 1249713, 1428555, 2082855, 4285665, 6248565, 18190267, 54570801, 90951335, 163712403, 272854005, 818562015]

約数ペア:

[(1, 818562015), (3, 272854005), (5, 163712403), (9, 90951335), (15, 54570801), (45, 18190267), (131, 6248565), (191, 4285665), (393, 2082855), (573, 1428555), (655, 1249713), (727, 1125945), (955, 857133), (1179, 694285), (1719, 476185), (1965, 416571), (2181, 375315), (2865, 285711), (3635, 225189), (5895, 138857), (6543, 125105), (8595, 95237), (10905, 75063), (25021, 32715)]