78485547

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 124411392

約数和(自身を除く): 45925845

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 581, 777, 1217, 1743, 3071, 3651, 8519, 9213, 21497, 25557, 45029, 64491, 101011, 135087, 303033, 315203, 707077, 945609, 2121231, 3737407, 11212221, 26161849, 78485547]

約数ペア:

[(1, 78485547), (3, 26161849), (7, 11212221), (21, 3737407), (37, 2121231), (83, 945609), (111, 707077), (249, 315203), (259, 303033), (581, 135087), (777, 101011), (1217, 64491), (1743, 45029), (3071, 25557), (3651, 21497), (8519, 9213)]