389464983

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 642816000

約数和(自身を除く): 253351017

約数列:

[1, 3, 9, 19, 27, 29, 47, 57, 87, 141, 171, 261, 423, 513, 551, 557, 783, 893, 1269, 1363, 1653, 1671, 2679, 4089, 4959, 5013, 8037, 10583, 12267, 14877, 15039, 16153, 24111, 25897, 26179, 31749, 36801, 48459, 77691, 78537, 95247, 145377, 233073, 235611, 285741, 306907, 436131, 497401, 699219, 706833, 759191, 920721, 1492203, 2277573, 2762163, 4476609, 6832719, 8286489, 13429827, 14424629, 20498157, 43273887, 129821661, 389464983]

約数ペア:

[(1, 389464983), (3, 129821661), (9, 43273887), (19, 20498157), (27, 14424629), (29, 13429827), (47, 8286489), (57, 6832719), (87, 4476609), (141, 2762163), (171, 2277573), (261, 1492203), (423, 920721), (513, 759191), (551, 706833), (557, 699219), (783, 497401), (893, 436131), (1269, 306907), (1363, 285741), (1653, 235611), (1671, 233073), (2679, 145377), (4089, 95247), (4959, 78537), (5013, 77691), (8037, 48459), (10583, 36801), (12267, 31749), (14877, 26179), (15039, 25897), (16153, 24111)]