164877405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20393}}^1$

素因数の和:20426

約数の個数: 48

約数和(自身を含む): 334787904

約数和(自身を除く): 169910499

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 20393, 61179, 101965, 142751, 224323, 305895, 428253, 672969, 713755, 999257, 1121615, 1570261, 2141265, 2997771, 3364845, 4710783, 4996285, 7851305, 10991827, 14988855, 23553915, 32975481, 54959135, 164877405]

約数ペア:

[(1, 164877405), (3, 54959135), (5, 32975481), (7, 23553915), (11, 14988855), (15, 10991827), (21, 7851305), (33, 4996285), (35, 4710783), (49, 3364845), (55, 2997771), (77, 2141265), (105, 1570261), (147, 1121615), (165, 999257), (231, 713755), (245, 672969), (385, 428253), (539, 305895), (735, 224323), (1155, 142751), (1617, 101965), (2695, 61179), (8085, 20393)]