223587

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2$

素因数の和:49

約数の個数: 36

約数和(自身を含む): 417240

約数和(自身を除く): 193653

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 351, 441, 507, 637, 819, 1183, 1323, 1521, 1911, 2457, 3549, 4563, 5733, 8281, 10647, 17199, 24843, 31941, 74529, 223587]

約数ペア:

[(1, 223587), (3, 74529), (7, 31941), (9, 24843), (13, 17199), (21, 10647), (27, 8281), (39, 5733), (49, 4563), (63, 3549), (91, 2457), (117, 1911), (147, 1521), (169, 1323), (189, 1183), (273, 819), (351, 637), (441, 507)]