77661777

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 111393792

約数和(自身を除く): 33732015

約数列:

[1, 3, 23, 67, 69, 107, 157, 201, 321, 471, 1541, 2461, 3611, 4623, 7169, 7383, 10519, 10833, 16799, 21507, 31557, 50397, 164887, 241937, 386377, 494661, 725811, 1125533, 1159131, 3376599, 25887259, 77661777]

約数ペア:

[(1, 77661777), (3, 25887259), (23, 3376599), (67, 1159131), (69, 1125533), (107, 725811), (157, 494661), (201, 386377), (321, 241937), (471, 164887), (1541, 50397), (2461, 31557), (3611, 21507), (4623, 16799), (7169, 10833), (7383, 10519)]