890254557

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 1489488000

約数和(自身を除く): 599233443

約数列:

[1, 3, 9, 19, 27, 29, 57, 61, 81, 87, 109, 171, 183, 243, 261, 327, 513, 549, 551, 783, 981, 1159, 1539, 1647, 1653, 1769, 2071, 2349, 2943, 3161, 3477, 4617, 4941, 4959, 5307, 6213, 6649, 7047, 8829, 9483, 10431, 14823, 14877, 15921, 18639, 19947, 26487, 28449, 31293, 33611, 44631, 47763, 55917, 59841, 60059, 85347, 93879, 100833, 126331, 133893, 143289, 167751, 179523, 180177, 192821, 256041, 281637, 302499, 378993, 429867, 503253, 538569, 540531, 578463, 768123, 907497, 1136979, 1615707, 1621593, 1735389, 2722491, 3410937, 3663599, 4864779, 5206167, 8167473, 10232811, 10990797, 14594337, 15618501, 30698433, 32972391, 46855503, 98917173, 296751519, 890254557]

約数ペア:

[(1, 890254557), (3, 296751519), (9, 98917173), (19, 46855503), (27, 32972391), (29, 30698433), (57, 15618501), (61, 14594337), (81, 10990797), (87, 10232811), (109, 8167473), (171, 5206167), (183, 4864779), (243, 3663599), (261, 3410937), (327, 2722491), (513, 1735389), (549, 1621593), (551, 1615707), (783, 1136979), (981, 907497), (1159, 768123), (1539, 578463), (1647, 540531), (1653, 538569), (1769, 503253), (2071, 429867), (2349, 378993), (2943, 302499), (3161, 281637), (3477, 256041), (4617, 192821), (4941, 180177), (4959, 179523), (5307, 167751), (6213, 143289), (6649, 133893), (7047, 126331), (8829, 100833), (9483, 93879), (10431, 85347), (14823, 60059), (14877, 59841), (15921, 55917), (18639, 47763), (19947, 44631), (26487, 33611), (28449, 31293)]