13199985

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1489}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 23011560

約数和(自身を除く): 9811575

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1489, 1773, 2955, 4467, 7445, 8865, 13401, 22335, 67005, 293333, 879999, 1466665, 2639997, 4399995, 13199985]

約数ペア:

[(1, 13199985), (3, 4399995), (5, 2639997), (9, 1466665), (15, 879999), (45, 293333), (197, 67005), (591, 22335), (985, 13401), (1489, 8865), (1773, 7445), (2955, 4467)]