78777921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 114693120

約数和(自身を除く): 35915199

約数列:

[1, 3, 23, 37, 59, 69, 111, 177, 523, 851, 1357, 1569, 2183, 2553, 4071, 6549, 12029, 19351, 30857, 36087, 50209, 58053, 92571, 150627, 445073, 709711, 1141709, 1335219, 2129133, 3425127, 26259307, 78777921]

約数ペア:

[(1, 78777921), (3, 26259307), (23, 3425127), (37, 2129133), (59, 1335219), (69, 1141709), (111, 709711), (177, 445073), (523, 150627), (851, 92571), (1357, 58053), (1569, 50209), (2183, 36087), (2553, 30857), (4071, 19351), (6549, 12029)]