2728775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 3999744

約数和(自身を除く): 1270969

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 503, 775, 1085, 2515, 3521, 5425, 12575, 15593, 17605, 77965, 88025, 109151, 389825, 545755, 2728775]

約数ペア:

[(1, 2728775), (5, 545755), (7, 389825), (25, 109151), (31, 88025), (35, 77965), (155, 17605), (175, 15593), (217, 12575), (503, 5425), (775, 3521), (1085, 2515)]