780875139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{6553}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 1192932864

約数和(自身を除く): 412057725

約数列:

[1, 3, 11, 23, 33, 69, 157, 253, 471, 759, 1727, 3611, 5181, 6553, 10833, 19659, 39721, 72083, 119163, 150719, 216249, 452157, 1028821, 1657909, 3086463, 4973727, 11317031, 23662883, 33951093, 70988649, 260291713, 780875139]

約数ペア:

[(1, 780875139), (3, 260291713), (11, 70988649), (23, 33951093), (33, 23662883), (69, 11317031), (157, 4973727), (253, 3086463), (471, 1657909), (759, 1028821), (1727, 452157), (3611, 216249), (5181, 150719), (6553, 119163), (10833, 72083), (19659, 39721)]