989861031

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 1653350400

約数和(自身を除く): 663489369

約数列:

[1, 3, 9, 19, 29, 31, 47, 57, 87, 93, 137, 141, 171, 261, 279, 411, 423, 551, 589, 893, 899, 1233, 1363, 1457, 1653, 1767, 2603, 2679, 2697, 3973, 4089, 4247, 4371, 4959, 5301, 6439, 7809, 8037, 8091, 11919, 12267, 12741, 13113, 17081, 19317, 23427, 25897, 27683, 35757, 38223, 42253, 51243, 57951, 75487, 77691, 80693, 83049, 122341, 123163, 126759, 153729, 186731, 199609, 226461, 233073, 242079, 249147, 367023, 369489, 380277, 560193, 598827, 679383, 726237, 802807, 1101069, 1108467, 1680579, 1796481, 2340097, 2408421, 3547889, 3792571, 5788661, 7020291, 7225263, 10643667, 11377713, 17365983, 21060873, 31931001, 34133139, 52097949, 109984559, 329953677, 989861031]

約数ペア:

[(1, 989861031), (3, 329953677), (9, 109984559), (19, 52097949), (29, 34133139), (31, 31931001), (47, 21060873), (57, 17365983), (87, 11377713), (93, 10643667), (137, 7225263), (141, 7020291), (171, 5788661), (261, 3792571), (279, 3547889), (411, 2408421), (423, 2340097), (551, 1796481), (589, 1680579), (893, 1108467), (899, 1101069), (1233, 802807), (1363, 726237), (1457, 679383), (1653, 598827), (1767, 560193), (2603, 380277), (2679, 369489), (2697, 367023), (3973, 249147), (4089, 242079), (4247, 233073), (4371, 226461), (4959, 199609), (5301, 186731), (6439, 153729), (7809, 126759), (8037, 123163), (8091, 122341), (11919, 83049), (12267, 80693), (12741, 77691), (13113, 75487), (17081, 57951), (19317, 51243), (23427, 42253), (25897, 38223), (27683, 35757)]