30880731

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2531}}^1$

素因数の和:2631

約数の個数: 24

約数和(自身を含む): 48492864

約数和(自身を除く): 17612133

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 2531, 4067, 7593, 12201, 17717, 53151, 124019, 210073, 372057, 630219, 1470511, 4411533, 10293577, 30880731]

約数ペア:

[(1, 30880731), (3, 10293577), (7, 4411533), (21, 1470511), (49, 630219), (83, 372057), (147, 210073), (249, 124019), (581, 53151), (1743, 17717), (2531, 12201), (4067, 7593)]