1278689679

素因数分解:

$3^3\times {\mathrm{877}}^1\times {\mathrm{54001}}^1$

素因数の和:54887

約数の個数: 16

約数和(自身を含む): 1896550240

約数和(自身を除く): 617860561

約数列:

[1, 3, 9, 27, 877, 2631, 7893, 23679, 54001, 162003, 486009, 1458027, 47358877, 142076631, 426229893, 1278689679]

約数ペア:

[(1, 1278689679), (3, 426229893), (9, 142076631), (27, 47358877), (877, 1458027), (2631, 486009), (7893, 162003), (23679, 54001)]