28570005

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4261}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 49865400

約数和(自身を除く): 21295395

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 4261, 6705, 12783, 21305, 38349, 63915, 191745, 634889, 1904667, 3174445, 5714001, 9523335, 28570005]

約数ペア:

[(1, 28570005), (3, 9523335), (5, 5714001), (9, 3174445), (15, 1904667), (45, 634889), (149, 191745), (447, 63915), (745, 38349), (1341, 21305), (2235, 12783), (4261, 6705)]