2138898537

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 3475809792

約数和(自身を除く): 1336911255

約数列:

[1, 3, 9, 17, 31, 41, 51, 93, 123, 153, 279, 289, 369, 527, 647, 697, 867, 1271, 1581, 1941, 2091, 2601, 3813, 4743, 5823, 6273, 8959, 10999, 11439, 11849, 20057, 21607, 26527, 26877, 32997, 35547, 60171, 64821, 79581, 80631, 98991, 106641, 180513, 186983, 194463, 238743, 340969, 367319, 450959, 560949, 822337, 1022907, 1101957, 1352877, 1682847, 2467011, 3068721, 3305871, 4058631, 5796473, 7401033, 7666303, 13979729, 17389419, 22998909, 41939187, 52168257, 68996727, 125817561, 237655393, 712966179, 2138898537]

約数ペア:

[(1, 2138898537), (3, 712966179), (9, 237655393), (17, 125817561), (31, 68996727), (41, 52168257), (51, 41939187), (93, 22998909), (123, 17389419), (153, 13979729), (279, 7666303), (289, 7401033), (369, 5796473), (527, 4058631), (647, 3305871), (697, 3068721), (867, 2467011), (1271, 1682847), (1581, 1352877), (1941, 1101957), (2091, 1022907), (2601, 822337), (3813, 560949), (4743, 450959), (5823, 367319), (6273, 340969), (8959, 238743), (10999, 194463), (11439, 186983), (11849, 180513), (20057, 106641), (21607, 98991), (26527, 80631), (26877, 79581), (32997, 64821), (35547, 60171)]