68923281

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 108494848

約数和(自身を除く): 39571567

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 601, 889, 903, 1803, 2667, 4207, 5461, 12621, 16383, 25843, 38227, 76327, 77529, 114681, 180901, 228981, 534289, 542703, 1602867, 3282061, 9846183, 22974427, 68923281]

約数ペア:

[(1, 68923281), (3, 22974427), (7, 9846183), (21, 3282061), (43, 1602867), (127, 542703), (129, 534289), (301, 228981), (381, 180901), (601, 114681), (889, 77529), (903, 76327), (1803, 38227), (2667, 25843), (4207, 16383), (5461, 12621)]