2991175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 4129200

約数和(自身を除く): 1138025

約数列:

[1, 5, 11, 25, 55, 73, 149, 275, 365, 745, 803, 1639, 1825, 3725, 4015, 8195, 10877, 20075, 40975, 54385, 119647, 271925, 598235, 2991175]

約数ペア:

[(1, 2991175), (5, 598235), (11, 271925), (25, 119647), (55, 54385), (73, 40975), (149, 20075), (275, 10877), (365, 8195), (745, 4015), (803, 3725), (1639, 1825)]