40278987

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7703}}^1$

素因数の和:7799

約数の個数: 24

約数和(自身を含む): 67302144

約数和(自身を除く): 27023157

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 7703, 23109, 53921, 69327, 161763, 485289, 639349, 1918047, 4475443, 5754141, 13426329, 40278987]

約数ペア:

[(1, 40278987), (3, 13426329), (7, 5754141), (9, 4475443), (21, 1918047), (63, 639349), (83, 485289), (249, 161763), (581, 69327), (747, 53921), (1743, 23109), (5229, 7703)]