2842905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 4999680

約数和(自身を除く): 2156775

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 239, 305, 717, 793, 915, 1195, 2379, 3107, 3585, 3965, 9321, 11895, 14579, 15535, 43737, 46605, 72895, 189527, 218685, 568581, 947635, 2842905]

約数ペア:

[(1, 2842905), (3, 947635), (5, 568581), (13, 218685), (15, 189527), (39, 72895), (61, 46605), (65, 43737), (183, 15535), (195, 14579), (239, 11895), (305, 9321), (717, 3965), (793, 3585), (915, 3107), (1195, 2379)]