131820351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 193466112

約数和(自身を除く): 61645761

約数列:

[1, 3, 13, 39, 83, 193, 211, 249, 579, 633, 1079, 2509, 2743, 3237, 7527, 8229, 16019, 17513, 40723, 48057, 52539, 122169, 208247, 227669, 529399, 624741, 683007, 1588197, 3380009, 10140027, 43940117, 131820351]

約数ペア:

[(1, 131820351), (3, 43940117), (13, 10140027), (39, 3380009), (83, 1588197), (193, 683007), (211, 624741), (249, 529399), (579, 227669), (633, 208247), (1079, 122169), (2509, 52539), (2743, 48057), (3237, 40723), (7527, 17513), (8229, 16019)]