287444991

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 401241600

約数和(自身を除く): 113796609

約数列:

[1, 3, 59, 71, 89, 177, 213, 257, 267, 771, 4189, 5251, 6319, 12567, 15163, 15753, 18247, 18957, 22873, 45489, 54741, 68619, 372821, 1076573, 1118463, 1349507, 1623983, 3229719, 4048521, 4871949, 95814997, 287444991]

約数ペア:

[(1, 287444991), (3, 95814997), (59, 4871949), (71, 4048521), (89, 3229719), (177, 1623983), (213, 1349507), (257, 1118463), (267, 1076573), (771, 372821), (4189, 68619), (5251, 54741), (6319, 45489), (12567, 22873), (15163, 18957), (15753, 18247)]