388581669

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 660701184

約数和(自身を除く): 272119515

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 191, 301, 387, 573, 751, 903, 1337, 1719, 2253, 2709, 4011, 5257, 6759, 8213, 12033, 15771, 24639, 32293, 47313, 57491, 73917, 96879, 143441, 172473, 226051, 290637, 430323, 517419, 678153, 1004087, 1290969, 2034459, 3012261, 6167963, 9036783, 18503889, 43175741, 55511667, 129527223, 388581669]

約数ペア:

[(1, 388581669), (3, 129527223), (7, 55511667), (9, 43175741), (21, 18503889), (43, 9036783), (63, 6167963), (129, 3012261), (191, 2034459), (301, 1290969), (387, 1004087), (573, 678153), (751, 517419), (903, 430323), (1337, 290637), (1719, 226051), (2253, 172473), (2709, 143441), (4011, 96879), (5257, 73917), (6759, 57491), (8213, 47313), (12033, 32293), (15771, 24639)]