67819311

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2557}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 112265504

約数和(自身を除く): 44446193

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2557, 2947, 3789, 7671, 8841, 17899, 23013, 26523, 53697, 161091, 1076497, 3229491, 7535479, 9688473, 22606437, 67819311]

約数ペア:

[(1, 67819311), (3, 22606437), (7, 9688473), (9, 7535479), (21, 3229491), (63, 1076497), (421, 161091), (1263, 53697), (2557, 26523), (2947, 23013), (3789, 17899), (7671, 8841)]