210320817

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{213091}}^1$

素因数の和:213148

約数の個数: 16

約数和(自身を含む): 327309312

約数和(自身を除く): 116988495

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 213091, 639273, 1491637, 4474911, 10015277, 30045831, 70106939, 210320817]

約数ペア:

[(1, 210320817), (3, 70106939), (7, 30045831), (21, 10015277), (47, 4474911), (141, 1491637), (329, 639273), (987, 213091)]