28676871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2503}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 44270720

約数和(自身を除く): 15593849

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 2503, 3819, 7509, 11457, 22527, 47557, 142671, 167701, 428013, 503103, 1509309, 3186319, 9558957, 28676871]

約数ペア:

[(1, 28676871), (3, 9558957), (9, 3186319), (19, 1509309), (57, 503103), (67, 428013), (171, 167701), (201, 142671), (603, 47557), (1273, 22527), (2503, 11457), (3819, 7509)]