25231731

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 14458509

約数列:

[1, 3, 7, 21, 67, 79, 201, 227, 237, 469, 553, 681, 1407, 1589, 1659, 4767, 5293, 15209, 15879, 17933, 37051, 45627, 53799, 106463, 111153, 125531, 319389, 376593, 1201511, 3604533, 8410577, 25231731]

約数ペア:

[(1, 25231731), (3, 8410577), (7, 3604533), (21, 1201511), (67, 376593), (79, 319389), (201, 125531), (227, 111153), (237, 106463), (469, 53799), (553, 45627), (681, 37051), (1407, 17933), (1589, 15879), (1659, 15209), (4767, 5293)]