245783307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 414602496

約数和(自身を除く): 168819189

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 197, 231, 363, 491, 591, 847, 1379, 1473, 2167, 2541, 3437, 4137, 5401, 6501, 10311, 15169, 16203, 23837, 37807, 45507, 59411, 71511, 96727, 113421, 166859, 178233, 290181, 415877, 500577, 677089, 1063997, 1247631, 2031267, 3191991, 7447979, 11703967, 22343937, 35111901, 81927769, 245783307]

約数ペア:

[(1, 245783307), (3, 81927769), (7, 35111901), (11, 22343937), (21, 11703967), (33, 7447979), (77, 3191991), (121, 2031267), (197, 1247631), (231, 1063997), (363, 677089), (491, 500577), (591, 415877), (847, 290181), (1379, 178233), (1473, 166859), (2167, 113421), (2541, 96727), (3437, 71511), (4137, 59411), (5401, 45507), (6501, 37807), (10311, 23837), (15169, 16203)]