86965983

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 149778720

約数和(自身を除く): 62812737

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 71, 87, 117, 171, 213, 247, 261, 361, 377, 551, 639, 741, 923, 1083, 1131, 1349, 1653, 2059, 2223, 2769, 3249, 3393, 4047, 4693, 4959, 6177, 7163, 8307, 10469, 12141, 14079, 17537, 18531, 21489, 25631, 26767, 31407, 39121, 42237, 52611, 64467, 76893, 80301, 94221, 117363, 136097, 157833, 230679, 240903, 333203, 352089, 408291, 508573, 743299, 999609, 1224873, 1525719, 2229897, 2998827, 4577157, 6689691, 9662887, 28988661, 86965983]

約数ペア:

[(1, 86965983), (3, 28988661), (9, 9662887), (13, 6689691), (19, 4577157), (29, 2998827), (39, 2229897), (57, 1525719), (71, 1224873), (87, 999609), (117, 743299), (171, 508573), (213, 408291), (247, 352089), (261, 333203), (361, 240903), (377, 230679), (551, 157833), (639, 136097), (741, 117363), (923, 94221), (1083, 80301), (1131, 76893), (1349, 64467), (1653, 52611), (2059, 42237), (2223, 39121), (2769, 31407), (3249, 26767), (3393, 25631), (4047, 21489), (4693, 18531), (4959, 17537), (6177, 14079), (7163, 12141), (8307, 10469)]