1664355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 3370752

約数和(自身を除く): 1706397

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 131, 165, 231, 363, 385, 393, 605, 655, 847, 917, 1155, 1441, 1815, 1965, 2541, 2751, 4235, 4323, 4585, 7205, 10087, 12705, 13755, 15851, 21615, 30261, 47553, 50435, 79255, 110957, 151305, 237765, 332871, 554785, 1664355]

約数ペア:

[(1, 1664355), (3, 554785), (5, 332871), (7, 237765), (11, 151305), (15, 110957), (21, 79255), (33, 50435), (35, 47553), (55, 30261), (77, 21615), (105, 15851), (121, 13755), (131, 12705), (165, 10087), (231, 7205), (363, 4585), (385, 4323), (393, 4235), (605, 2751), (655, 2541), (847, 1965), (917, 1815), (1155, 1441)]