28623141

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 42591744

約数和(自身を除く): 13968603

約数列:

[1, 3, 9, 47, 141, 157, 423, 431, 471, 1293, 1413, 3879, 7379, 20257, 22137, 60771, 66411, 67667, 182313, 203001, 609003, 3180349, 9541047, 28623141]

約数ペア:

[(1, 28623141), (3, 9541047), (9, 3180349), (47, 609003), (141, 203001), (157, 182313), (423, 67667), (431, 66411), (471, 60771), (1293, 22137), (1413, 20257), (3879, 7379)]