216996945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18523}}^1$

素因数の和:18613

約数の個数: 32

約数和(自身を含む): 384113664

約数和(自身を除く): 167116719

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 11715, 18523, 55569, 92615, 203753, 277845, 611259, 1018765, 1315133, 3056295, 3945399, 6575665, 14466463, 19726995, 43399389, 72332315, 216996945]

約数ペア:

[(1, 216996945), (3, 72332315), (5, 43399389), (11, 19726995), (15, 14466463), (33, 6575665), (55, 3945399), (71, 3056295), (165, 1315133), (213, 1018765), (355, 611259), (781, 277845), (1065, 203753), (2343, 92615), (3905, 55569), (11715, 18523)]