28849785

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 47443968

約数和(自身を除く): 18594183

約数列:

[1, 3, 5, 15, 71, 103, 213, 263, 309, 355, 515, 789, 1065, 1315, 1545, 3945, 7313, 18673, 21939, 27089, 36565, 56019, 81267, 93365, 109695, 135445, 280095, 406335, 1923319, 5769957, 9616595, 28849785]

約数ペア:

[(1, 28849785), (3, 9616595), (5, 5769957), (15, 1923319), (71, 406335), (103, 280095), (213, 135445), (263, 109695), (309, 93365), (355, 81267), (515, 56019), (789, 36565), (1065, 27089), (1315, 21939), (1545, 18673), (3945, 7313)]