212715723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 316479744

約数和(自身を除く): 103764021

約数列:

[1, 3, 11, 33, 61, 183, 251, 421, 671, 753, 1263, 2013, 2761, 4631, 8283, 13893, 15311, 25681, 45933, 77043, 105671, 168421, 282491, 317013, 505263, 847473, 1162381, 3487143, 6445931, 19337793, 70905241, 212715723]

約数ペア:

[(1, 212715723), (3, 70905241), (11, 19337793), (33, 6445931), (61, 3487143), (183, 1162381), (251, 847473), (421, 505263), (671, 317013), (753, 282491), (1263, 168421), (2013, 105671), (2761, 77043), (4631, 45933), (8283, 25681), (13893, 15311)]