998772015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 1751279616

約数和(自身を除く): 752507601

約数列:

[1, 3, 5, 15, 17, 51, 53, 67, 85, 159, 201, 255, 265, 335, 795, 901, 1005, 1103, 1139, 2703, 3309, 3417, 3551, 4505, 5515, 5695, 10653, 13515, 16545, 17085, 17755, 18751, 53265, 56253, 58459, 60367, 73901, 93755, 175377, 181101, 221703, 281265, 292295, 301835, 369505, 876885, 905505, 993803, 1108515, 1256317, 2981409, 3768951, 3916753, 4969015, 6281585, 11750259, 14907045, 18844755, 19583765, 58751295, 66584801, 199754403, 332924005, 998772015]

約数ペア:

[(1, 998772015), (3, 332924005), (5, 199754403), (15, 66584801), (17, 58751295), (51, 19583765), (53, 18844755), (67, 14907045), (85, 11750259), (159, 6281585), (201, 4969015), (255, 3916753), (265, 3768951), (335, 2981409), (795, 1256317), (901, 1108515), (1005, 993803), (1103, 905505), (1139, 876885), (2703, 369505), (3309, 301835), (3417, 292295), (3551, 281265), (4505, 221703), (5515, 181101), (5695, 175377), (10653, 93755), (13515, 73901), (16545, 60367), (17085, 58459), (17755, 56253), (18751, 53265)]