15315447

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 25039872

約数和(自身を除く): 9724425

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 857, 2553, 2571, 5957, 5999, 17871, 17997, 19711, 31709, 59133, 95127, 137977, 221963, 413931, 665889, 729307, 2187921, 5105149, 15315447]

約数ペア:

[(1, 15315447), (3, 5105149), (7, 2187921), (21, 729307), (23, 665889), (37, 413931), (69, 221963), (111, 137977), (161, 95127), (259, 59133), (483, 31709), (777, 19711), (851, 17997), (857, 17871), (2553, 5999), (2571, 5957)]