12719355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 22387968

約数和(自身を除く): 9668613

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 471, 491, 785, 1473, 1727, 2355, 2455, 5181, 5401, 7365, 8635, 16203, 25905, 27005, 77087, 81015, 231261, 385435, 847957, 1156305, 2543871, 4239785, 12719355]

約数ペア:

[(1, 12719355), (3, 4239785), (5, 2543871), (11, 1156305), (15, 847957), (33, 385435), (55, 231261), (157, 81015), (165, 77087), (471, 27005), (491, 25905), (785, 16203), (1473, 8635), (1727, 7365), (2355, 5401), (2455, 5181)]