28874505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1699}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 50918400

約数和(自身を除く): 22043895

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1133, 1545, 1699, 3399, 5097, 5665, 8495, 16995, 18689, 25485, 56067, 93445, 174997, 280335, 524991, 874985, 1924967, 2624955, 5774901, 9624835, 28874505]

約数ペア:

[(1, 28874505), (3, 9624835), (5, 5774901), (11, 2624955), (15, 1924967), (33, 874985), (55, 524991), (103, 280335), (165, 174997), (309, 93445), (515, 56067), (1133, 25485), (1545, 18689), (1699, 16995), (3399, 8495), (5097, 5665)]