201990621

素因数分解:

$3^1\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{5119}}^1$

素因数の和:7008

約数の個数: 16

約数和(自身を含む): 308019200

約数和(自身を除く): 106028579

約数列:

[1, 3, 7, 21, 1879, 5119, 5637, 13153, 15357, 35833, 39459, 107499, 9618601, 28855803, 67330207, 201990621]

約数ペア:

[(1, 201990621), (3, 67330207), (7, 28855803), (21, 9618601), (1879, 107499), (5119, 39459), (5637, 35833), (13153, 15357)]