213086937

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 341452800

約数和(自身を除く): 128365863

約数列:

[1, 3, 7, 21, 49, 59, 79, 147, 177, 237, 311, 413, 553, 933, 1239, 1659, 2177, 2891, 3871, 4661, 6531, 8673, 11613, 13983, 15239, 18349, 24569, 32627, 45717, 55047, 73707, 97881, 128443, 171983, 228389, 385329, 515949, 685167, 899101, 1203881, 1449571, 2697303, 3611643, 4348713, 10146997, 30440991, 71028979, 213086937]

約数ペア:

[(1, 213086937), (3, 71028979), (7, 30440991), (21, 10146997), (49, 4348713), (59, 3611643), (79, 2697303), (147, 1449571), (177, 1203881), (237, 899101), (311, 685167), (413, 515949), (553, 385329), (933, 228389), (1239, 171983), (1659, 128443), (2177, 97881), (2891, 73707), (3871, 55047), (4661, 45717), (6531, 32627), (8673, 24569), (11613, 18349), (13983, 15239)]