489264009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 712147968

約数和(自身を除く): 222883959

約数列:

[1, 3, 13, 39, 151, 251, 331, 453, 753, 993, 1963, 3263, 4303, 5889, 9789, 12909, 37901, 49981, 83081, 113703, 149943, 249243, 492713, 649753, 1080053, 1478139, 1949259, 3240159, 12545231, 37635693, 163088003, 489264009]

約数ペア:

[(1, 489264009), (3, 163088003), (13, 37635693), (39, 12545231), (151, 3240159), (251, 1949259), (331, 1478139), (453, 1080053), (753, 649753), (993, 492713), (1963, 249243), (3263, 149943), (4303, 113703), (5889, 83081), (9789, 49981), (12909, 37901)]