198841461

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 337305024

約数和(自身を除く): 138463563

約数列:

[1, 3, 7, 13, 21, 39, 49, 67, 91, 147, 201, 273, 469, 637, 871, 1407, 1553, 1911, 2613, 3283, 4659, 6097, 9849, 10871, 18291, 20189, 32613, 42679, 60567, 76097, 104051, 128037, 141323, 228291, 312153, 423969, 728357, 989261, 1352663, 2185071, 2967783, 4057989, 5098499, 9468641, 15295497, 28405923, 66280487, 198841461]

約数ペア:

[(1, 198841461), (3, 66280487), (7, 28405923), (13, 15295497), (21, 9468641), (39, 5098499), (49, 4057989), (67, 2967783), (91, 2185071), (147, 1352663), (201, 989261), (273, 728357), (469, 423969), (637, 312153), (871, 228291), (1407, 141323), (1553, 128037), (1911, 104051), (2613, 76097), (3283, 60567), (4659, 42679), (6097, 32613), (9849, 20189), (10871, 18291)]