201730809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7121}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 328181760

約数和(自身を除く): 126450951

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 7121, 9443, 21363, 28329, 49847, 135299, 149541, 405897, 505591, 947093, 1516773, 2841279, 3539137, 9606229, 10617411, 28818687, 67243603, 201730809]

約数ペア:

[(1, 201730809), (3, 67243603), (7, 28818687), (19, 10617411), (21, 9606229), (57, 3539137), (71, 2841279), (133, 1516773), (213, 947093), (399, 505591), (497, 405897), (1349, 149541), (1491, 135299), (4047, 49847), (7121, 28329), (9443, 21363)]