28266427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1327}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 6155333

約数列:

[1, 7, 17, 119, 179, 1253, 1327, 3043, 9289, 21301, 22559, 157913, 237533, 1662731, 4038061, 28266427]

約数ペア:

[(1, 28266427), (7, 4038061), (17, 1662731), (119, 237533), (179, 157913), (1253, 22559), (1327, 21301), (3043, 9289)]