20171423547

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{2179}}^1$

素因数の和:2709

約数の個数: 64

約数和(自身を含む): 33149952000

約数和(自身を除く): 12978528453

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 439, 639, 781, 1317, 1917, 2179, 2343, 3951, 4829, 6537, 7029, 11853, 14487, 19611, 21087, 23969, 31169, 43461, 58833, 71907, 93507, 130383, 154709, 215721, 280521, 342859, 464127, 647163, 841563, 956581, 1028577, 1392381, 1701799, 2869743, 3085731, 4177143, 5105397, 8609229, 9257193, 10522391, 15316191, 25827687, 31567173, 45948573, 67917251, 94701519, 203751753, 284104557, 611255259, 747089761, 1833765777, 2241269283, 6723807849, 20171423547]

約数ペア:

[(1, 20171423547), (3, 6723807849), (9, 2241269283), (11, 1833765777), (27, 747089761), (33, 611255259), (71, 284104557), (99, 203751753), (213, 94701519), (297, 67917251), (439, 45948573), (639, 31567173), (781, 25827687), (1317, 15316191), (1917, 10522391), (2179, 9257193), (2343, 8609229), (3951, 5105397), (4829, 4177143), (6537, 3085731), (7029, 2869743), (11853, 1701799), (14487, 1392381), (19611, 1028577), (21087, 956581), (23969, 841563), (31169, 647163), (43461, 464127), (58833, 342859), (71907, 280521), (93507, 215721), (130383, 154709)]