201819195

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2817

約数の個数: 40

約数和(自身を含む): 363813120

約数和(自身を除く): 161993925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2609, 2865, 5157, 7827, 8595, 13045, 15471, 23481, 25785, 39135, 70443, 77355, 117405, 211329, 352215, 498319, 1056645, 1494957, 2491595, 4484871, 7474785, 13454613, 22424355, 40363839, 67273065, 201819195]

約数ペア:

[(1, 201819195), (3, 67273065), (5, 40363839), (9, 22424355), (15, 13454613), (27, 7474785), (45, 4484871), (81, 2491595), (135, 1494957), (191, 1056645), (405, 498319), (573, 352215), (955, 211329), (1719, 117405), (2609, 77355), (2865, 70443), (5157, 39135), (7827, 25785), (8595, 23481), (13045, 15471)]