81840438

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{2459}}^1$

素因数の和:2553

約数の個数: 36

約数和(自身を含む): 181614420

約数和(自身を除く): 99773982

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 1849, 2459, 3698, 4918, 5547, 7377, 11094, 14754, 16641, 22131, 33282, 44262, 105737, 211474, 317211, 634422, 951633, 1903266, 4546691, 9093382, 13640073, 27280146, 40920219, 81840438]

約数ペア:

[(1, 81840438), (2, 40920219), (3, 27280146), (6, 13640073), (9, 9093382), (18, 4546691), (43, 1903266), (86, 951633), (129, 634422), (258, 317211), (387, 211474), (774, 105737), (1849, 44262), (2459, 33282), (3698, 22131), (4918, 16641), (5547, 14754), (7377, 11094)]