15771245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 6727315

約数列:

[1, 5, 7, 35, 61, 83, 89, 305, 415, 427, 445, 581, 623, 2135, 2905, 3115, 5063, 5429, 7387, 25315, 27145, 35441, 36935, 38003, 51709, 177205, 190015, 258545, 450607, 2253035, 3154249, 15771245]

約数ペア:

[(1, 15771245), (5, 3154249), (7, 2253035), (35, 450607), (61, 258545), (83, 190015), (89, 177205), (305, 51709), (415, 38003), (427, 36935), (445, 35441), (581, 27145), (623, 25315), (2135, 7387), (2905, 5429), (3115, 5063)]