61620979

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 76723200

約数和(自身を除く): 15102221

約数列:

[1, 7, 23, 49, 73, 107, 161, 343, 511, 749, 1127, 1679, 2461, 3577, 5243, 7811, 7889, 11753, 17227, 25039, 36701, 54677, 82271, 120589, 179653, 382739, 575897, 844123, 1257571, 2679173, 8802997, 61620979]

約数ペア:

[(1, 61620979), (7, 8802997), (23, 2679173), (49, 1257571), (73, 844123), (107, 575897), (161, 382739), (343, 179653), (511, 120589), (749, 82271), (1127, 54677), (1679, 36701), (2461, 25039), (3577, 17227), (5243, 11753), (7811, 7889)]