191721387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5657}}^1$

素因数の和:5763

約数の個数: 32

約数和(自身を含む): 304174080

約数和(自身を除く): 112452693

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 869, 1027, 2607, 3081, 5657, 11297, 16971, 33891, 62227, 73541, 186681, 220623, 446903, 808951, 1340709, 2426853, 4915933, 5809739, 14747799, 17429217, 63907129, 191721387]

約数ペア:

[(1, 191721387), (3, 63907129), (11, 17429217), (13, 14747799), (33, 5809739), (39, 4915933), (79, 2426853), (143, 1340709), (237, 808951), (429, 446903), (869, 220623), (1027, 186681), (2607, 73541), (3081, 62227), (5657, 33891), (11297, 16971)]