16420467

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 26380800

約数和(自身を除く): 9960333

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 457, 609, 1239, 1371, 1711, 3199, 5133, 9597, 11977, 13253, 26963, 35931, 39759, 80889, 92771, 188741, 278313, 566223, 781927, 2345781, 5473489, 16420467]

約数ペア:

[(1, 16420467), (3, 5473489), (7, 2345781), (21, 781927), (29, 566223), (59, 278313), (87, 188741), (177, 92771), (203, 80889), (413, 39759), (457, 35931), (609, 26963), (1239, 13253), (1371, 11977), (1711, 9597), (3199, 5133)]