81157302

素因数分解:

$2^1\times 3^4\times {\mathrm{197}}^1\times {\mathrm{2543}}^1$

素因数の和:2754

約数の個数: 40

約数和(自身を含む): 182847456

約数和(自身を除く): 101690154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 394, 591, 1182, 1773, 2543, 3546, 5086, 5319, 7629, 10638, 15258, 15957, 22887, 31914, 45774, 68661, 137322, 205983, 411966, 500971, 1001942, 1502913, 3005826, 4508739, 9017478, 13526217, 27052434, 40578651, 81157302]

約数ペア:

[(1, 81157302), (2, 40578651), (3, 27052434), (6, 13526217), (9, 9017478), (18, 4508739), (27, 3005826), (54, 1502913), (81, 1001942), (162, 500971), (197, 411966), (394, 205983), (591, 137322), (1182, 68661), (1773, 45774), (2543, 31914), (3546, 22887), (5086, 15957), (5319, 15258), (7629, 10638)]