81181107

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 140107968

約数和(自身を除く): 58926861

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 123, 159, 287, 369, 371, 477, 593, 861, 1113, 1779, 2173, 2583, 3339, 4151, 5337, 6519, 12453, 15211, 19557, 24313, 31429, 37359, 45633, 72939, 94287, 136899, 170191, 218817, 220003, 282861, 510573, 660009, 1288589, 1531719, 1980027, 3865767, 9020123, 11597301, 27060369, 81181107]

約数ペア:

[(1, 81181107), (3, 27060369), (7, 11597301), (9, 9020123), (21, 3865767), (41, 1980027), (53, 1531719), (63, 1288589), (123, 660009), (159, 510573), (287, 282861), (369, 220003), (371, 218817), (477, 170191), (593, 136899), (861, 94287), (1113, 72939), (1779, 45633), (2173, 37359), (2583, 31429), (3339, 24313), (4151, 19557), (5337, 15211), (6519, 12453)]