2181543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 3666432

約数和(自身を除く): 1484889

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 131, 183, 273, 393, 427, 793, 917, 1281, 1703, 2379, 2751, 5109, 5551, 7991, 11921, 16653, 23973, 35763, 55937, 103883, 167811, 311649, 727181, 2181543]

約数ペア:

[(1, 2181543), (3, 727181), (7, 311649), (13, 167811), (21, 103883), (39, 55937), (61, 35763), (91, 23973), (131, 16653), (183, 11921), (273, 7991), (393, 5551), (427, 5109), (793, 2751), (917, 2379), (1281, 1703)]