219988725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2749}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 401016000

約数和(自身を除く): 181027275

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 275, 291, 485, 825, 1067, 1455, 2425, 2749, 3201, 5335, 7275, 8247, 13745, 16005, 26675, 30239, 41235, 68725, 80025, 90717, 151195, 206175, 266653, 453585, 755975, 799959, 1333265, 2267925, 2933183, 3999795, 6666325, 8799549, 14665915, 19998975, 43997745, 73329575, 219988725]

約数ペア:

[(1, 219988725), (3, 73329575), (5, 43997745), (11, 19998975), (15, 14665915), (25, 8799549), (33, 6666325), (55, 3999795), (75, 2933183), (97, 2267925), (165, 1333265), (275, 799959), (291, 755975), (485, 453585), (825, 266653), (1067, 206175), (1455, 151195), (2425, 90717), (2749, 80025), (3201, 68725), (5335, 41235), (7275, 30239), (8247, 26675), (13745, 16005)]