151621379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 191640960

約数和(自身を除く): 40019581

約数列:

[1, 7, 13, 89, 91, 97, 193, 623, 679, 1157, 1261, 1351, 2509, 8099, 8633, 8827, 17177, 17563, 18721, 60431, 112229, 120239, 131047, 223301, 243373, 785603, 1563107, 1666169, 1703611, 11663183, 21660197, 151621379]

約数ペア:

[(1, 151621379), (7, 21660197), (13, 11663183), (89, 1703611), (91, 1666169), (97, 1563107), (193, 785603), (623, 243373), (679, 223301), (1157, 131047), (1261, 120239), (1351, 112229), (2509, 60431), (8099, 18721), (8633, 17563), (8827, 17177)]