42561105

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 69552000

約数和(自身を除く): 26990895

約数列:

[1, 3, 5, 15, 137, 139, 149, 411, 417, 447, 685, 695, 745, 2055, 2085, 2235, 19043, 20413, 20711, 57129, 61239, 62133, 95215, 102065, 103555, 285645, 306195, 310665, 2837407, 8512221, 14187035, 42561105]

約数ペア:

[(1, 42561105), (3, 14187035), (5, 8512221), (15, 2837407), (137, 310665), (139, 306195), (149, 285645), (411, 103555), (417, 102065), (447, 95215), (685, 62133), (695, 61239), (745, 57129), (2055, 20711), (2085, 20413), (2235, 19043)]