201498213

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 313804800

約数和(自身を除く): 112306587

約数列:

[1, 3, 7, 21, 71, 149, 213, 447, 497, 907, 1043, 1491, 2721, 3129, 6349, 10579, 19047, 31737, 64397, 74053, 135143, 193191, 222159, 405429, 450779, 946001, 1352337, 2838003, 9595153, 28785459, 67166071, 201498213]

約数ペア:

[(1, 201498213), (3, 67166071), (7, 28785459), (21, 9595153), (71, 2838003), (149, 1352337), (213, 946001), (447, 450779), (497, 405429), (907, 222159), (1043, 193191), (1491, 135143), (2721, 74053), (3129, 64397), (6349, 31737), (10579, 19047)]