17985609

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 12340791

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 269, 323, 391, 437, 807, 969, 1173, 1311, 2421, 2907, 3519, 3933, 4573, 5111, 6187, 7429, 13719, 15333, 18561, 22287, 41157, 45999, 55683, 66861, 86887, 105179, 117553, 260661, 315537, 352659, 781983, 946611, 1057977, 1998401, 5995203, 17985609]

約数ペア:

[(1, 17985609), (3, 5995203), (9, 1998401), (17, 1057977), (19, 946611), (23, 781983), (51, 352659), (57, 315537), (69, 260661), (153, 117553), (171, 105179), (207, 86887), (269, 66861), (323, 55683), (391, 45999), (437, 41157), (807, 22287), (969, 18561), (1173, 15333), (1311, 13719), (2421, 7429), (2907, 6187), (3519, 5111), (3933, 4573)]