39389337

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 68515200

約数和(自身を除く): 29125863

約数列:

[1, 3, 9, 13, 19, 29, 39, 47, 57, 87, 117, 141, 169, 171, 247, 261, 377, 423, 507, 551, 611, 741, 893, 1131, 1363, 1521, 1653, 1833, 2223, 2679, 3211, 3393, 4089, 4901, 4959, 5499, 7163, 7943, 8037, 9633, 11609, 12267, 14703, 17719, 21489, 23829, 25897, 28899, 34827, 44109, 53157, 64467, 71487, 77691, 93119, 104481, 150917, 159471, 230347, 233073, 279357, 336661, 452751, 691041, 838071, 1009983, 1358253, 2073123, 3029949, 4376593, 13129779, 39389337]

約数ペア:

[(1, 39389337), (3, 13129779), (9, 4376593), (13, 3029949), (19, 2073123), (29, 1358253), (39, 1009983), (47, 838071), (57, 691041), (87, 452751), (117, 336661), (141, 279357), (169, 233073), (171, 230347), (247, 159471), (261, 150917), (377, 104481), (423, 93119), (507, 77691), (551, 71487), (611, 64467), (741, 53157), (893, 44109), (1131, 34827), (1363, 28899), (1521, 25897), (1653, 23829), (1833, 21489), (2223, 17719), (2679, 14703), (3211, 12267), (3393, 11609), (4089, 9633), (4901, 8037), (4959, 7943), (5499, 7163)]