8219883

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 13132800

約数和(自身を除く): 4912917

約数列:

[1, 3, 7, 21, 37, 71, 111, 149, 213, 259, 447, 497, 777, 1043, 1491, 2627, 3129, 5513, 7881, 10579, 16539, 18389, 31737, 38591, 55167, 74053, 115773, 222159, 391423, 1174269, 2739961, 8219883]

約数ペア:

[(1, 8219883), (3, 2739961), (7, 1174269), (21, 391423), (37, 222159), (71, 115773), (111, 74053), (149, 55167), (213, 38591), (259, 31737), (447, 18389), (497, 16539), (777, 10579), (1043, 7881), (1491, 5513), (2627, 3129)]