9978795

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 18450432

約数和(自身を除く): 8471637

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 191, 215, 243, 387, 405, 573, 645, 955, 1161, 1215, 1719, 1935, 2865, 3483, 5157, 5805, 8213, 8595, 10449, 15471, 17415, 24639, 25785, 41065, 46413, 52245, 73917, 77355, 123195, 221751, 232065, 369585, 665253, 1108755, 1995759, 3326265, 9978795]

約数ペア:

[(1, 9978795), (3, 3326265), (5, 1995759), (9, 1108755), (15, 665253), (27, 369585), (43, 232065), (45, 221751), (81, 123195), (129, 77355), (135, 73917), (191, 52245), (215, 46413), (243, 41065), (387, 25785), (405, 24639), (573, 17415), (645, 15471), (955, 10449), (1161, 8595), (1215, 8213), (1719, 5805), (1935, 5157), (2865, 3483)]