15195789

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 12383091

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 53, 63, 111, 123, 159, 189, 259, 287, 333, 369, 371, 477, 777, 861, 999, 1107, 1113, 1431, 1517, 1961, 2173, 2331, 2583, 3339, 4551, 5883, 6519, 6993, 7749, 10017, 10619, 13653, 13727, 15211, 17649, 19557, 31857, 40959, 41181, 45633, 52947, 58671, 80401, 95571, 123543, 136899, 241203, 286713, 370629, 410697, 562807, 723609, 1688421, 2170827, 5065263, 15195789]

約数ペア:

[(1, 15195789), (3, 5065263), (7, 2170827), (9, 1688421), (21, 723609), (27, 562807), (37, 410697), (41, 370629), (53, 286713), (63, 241203), (111, 136899), (123, 123543), (159, 95571), (189, 80401), (259, 58671), (287, 52947), (333, 45633), (369, 41181), (371, 40959), (477, 31857), (777, 19557), (861, 17649), (999, 15211), (1107, 13727), (1113, 13653), (1431, 10619), (1517, 10017), (1961, 7749), (2173, 6993), (2331, 6519), (2583, 5883), (3339, 4551)]