38874927

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 64271872

約数和(自身を除く): 25396945

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 471, 907, 1099, 2041, 2721, 3297, 6123, 6349, 11791, 14287, 19047, 35373, 42861, 82537, 142399, 247611, 427197, 996793, 1851187, 2990379, 5553561, 12958309, 38874927]

約数ペア:

[(1, 38874927), (3, 12958309), (7, 5553561), (13, 2990379), (21, 1851187), (39, 996793), (91, 427197), (157, 247611), (273, 142399), (471, 82537), (907, 42861), (1099, 35373), (2041, 19047), (2721, 14287), (3297, 11791), (6123, 6349)]