1878169437

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 3062790720

約数和(自身を除く): 1184621283

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 101, 129, 171, 281, 303, 387, 513, 817, 843, 909, 1161, 1539, 1919, 2451, 2529, 2727, 3483, 4343, 5339, 5757, 7353, 7587, 8181, 12083, 13029, 16017, 17271, 22059, 22761, 28381, 36249, 39087, 48051, 51813, 66177, 82517, 85143, 108747, 117261, 144153, 155439, 229577, 247551, 255429, 326241, 351783, 432459, 539239, 688731, 742653, 766287, 978723, 1220383, 1617717, 2066193, 2227959, 2298861, 3661149, 4853151, 6198579, 6683877, 10983447, 14559453, 18595737, 23187277, 32950341, 43678359, 69561831, 98851023, 208685493, 626056479, 1878169437]

約数ペア:

[(1, 1878169437), (3, 626056479), (9, 208685493), (19, 98851023), (27, 69561831), (43, 43678359), (57, 32950341), (81, 23187277), (101, 18595737), (129, 14559453), (171, 10983447), (281, 6683877), (303, 6198579), (387, 4853151), (513, 3661149), (817, 2298861), (843, 2227959), (909, 2066193), (1161, 1617717), (1539, 1220383), (1919, 978723), (2451, 766287), (2529, 742653), (2727, 688731), (3483, 539239), (4343, 432459), (5339, 351783), (5757, 326241), (7353, 255429), (7587, 247551), (8181, 229577), (12083, 155439), (13029, 144153), (16017, 117261), (17271, 108747), (22059, 85143), (22761, 82517), (28381, 66177), (36249, 51813), (39087, 48051)]