213086237

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 278315520

約数和(自身を除く): 65229283

約数列:

[1, 7, 13, 23, 61, 91, 161, 299, 427, 793, 1403, 1669, 2093, 5551, 9821, 11683, 18239, 21697, 38387, 101809, 127673, 151879, 268709, 499031, 712663, 1323517, 2341607, 3493217, 9264619, 16391249, 30440891, 213086237]

約数ペア:

[(1, 213086237), (7, 30440891), (13, 16391249), (23, 9264619), (61, 3493217), (91, 2341607), (161, 1323517), (299, 712663), (427, 499031), (793, 268709), (1403, 151879), (1669, 127673), (2093, 101809), (5551, 38387), (9821, 21697), (11683, 18239)]