81635211

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 143410176

約数和(自身を除く): 61774965

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 371, 477, 483, 1063, 1113, 1219, 1449, 3189, 3339, 3657, 7441, 8533, 9567, 10971, 22323, 24449, 25599, 56339, 66969, 73347, 76797, 169017, 171143, 220041, 394373, 507051, 513429, 1183119, 1295797, 1540287, 3549357, 3887391, 9070579, 11662173, 27211737, 81635211]

約数ペア:

[(1, 81635211), (3, 27211737), (7, 11662173), (9, 9070579), (21, 3887391), (23, 3549357), (53, 1540287), (63, 1295797), (69, 1183119), (159, 513429), (161, 507051), (207, 394373), (371, 220041), (477, 171143), (483, 169017), (1063, 76797), (1113, 73347), (1219, 66969), (1449, 56339), (3189, 25599), (3339, 24449), (3657, 22323), (7441, 10971), (8533, 9567)]