78641505

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28649}}^1$

素因数の和:28721

約数の個数: 24

約数和(自身を含む): 138551400

約数和(自身を除く): 59909895

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 28649, 85947, 143245, 257841, 429735, 1289205, 1747589, 5242767, 8737945, 15728301, 26213835, 78641505]

約数ペア:

[(1, 78641505), (3, 26213835), (5, 15728301), (9, 8737945), (15, 5242767), (45, 1747589), (61, 1289205), (183, 429735), (305, 257841), (549, 143245), (915, 85947), (2745, 28649)]