18075393

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 13287807

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 449, 497, 567, 639, 1347, 1491, 1917, 3143, 4041, 4473, 5751, 9429, 12123, 13419, 28287, 31879, 36369, 40257, 84861, 95637, 223153, 254583, 286911, 669459, 860733, 2008377, 2582199, 6025131, 18075393]

約数ペア:

[(1, 18075393), (3, 6025131), (7, 2582199), (9, 2008377), (21, 860733), (27, 669459), (63, 286911), (71, 254583), (81, 223153), (189, 95637), (213, 84861), (449, 40257), (497, 36369), (567, 31879), (639, 28287), (1347, 13419), (1491, 12123), (1917, 9429), (3143, 5751), (4041, 4473)]