26405757

素因数分解:

$3^4\times 7^2\times {\mathrm{6653}}^1$

素因数の和:6679

約数の個数: 30

約数和(自身を含む): 45892638

約数和(自身を除く): 19486881

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6653, 19959, 46571, 59877, 139713, 179631, 325997, 419139, 538893, 977991, 1257417, 2933973, 3772251, 8801919, 26405757]

約数ペア:

[(1, 26405757), (3, 8801919), (7, 3772251), (9, 2933973), (21, 1257417), (27, 977991), (49, 538893), (63, 419139), (81, 325997), (147, 179631), (189, 139713), (441, 59877), (567, 46571), (1323, 19959), (3969, 6653)]