247777461

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 392911200

約数和(自身を除く): 145133739

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 171, 393, 513, 1179, 1229, 1539, 2489, 3537, 3687, 7467, 10611, 11061, 22401, 23351, 33183, 67203, 70053, 99549, 160999, 201609, 210159, 482997, 630477, 1448991, 1891431, 3058981, 4346973, 9176943, 13040919, 27530829, 82592487, 247777461]

約数ペア:

[(1, 247777461), (3, 82592487), (9, 27530829), (19, 13040919), (27, 9176943), (57, 4346973), (81, 3058981), (131, 1891431), (171, 1448991), (393, 630477), (513, 482997), (1179, 210159), (1229, 201609), (1539, 160999), (2489, 99549), (3537, 70053), (3687, 67203), (7467, 33183), (10611, 23351), (11061, 22401)]