81355005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 150658560

約数和(自身を除く): 69303555

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2011, 2697, 4495, 6033, 8091, 10055, 13485, 18099, 30165, 40455, 58319, 62341, 90495, 174957, 187023, 291595, 311705, 524871, 561069, 874785, 935115, 1807889, 2624355, 2805345, 5423667, 9039445, 16271001, 27118335, 81355005]

約数ペア:

[(1, 81355005), (3, 27118335), (5, 16271001), (9, 9039445), (15, 5423667), (29, 2805345), (31, 2624355), (45, 1807889), (87, 935115), (93, 874785), (145, 561069), (155, 524871), (261, 311705), (279, 291595), (435, 187023), (465, 174957), (899, 90495), (1305, 62341), (1395, 58319), (2011, 40455), (2697, 30165), (4495, 18099), (6033, 13485), (8091, 10055)]