210978993

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1\times {\mathrm{2957}}^1$

素因数の和:4376

約数の個数: 16

約数和(自身を含む): 298166400

約数和(自身を除く): 87187407

約数列:

[1, 3, 17, 51, 1399, 2957, 4197, 8871, 23783, 50269, 71349, 150807, 4136843, 12410529, 70326331, 210978993]

約数ペア:

[(1, 210978993), (3, 70326331), (17, 12410529), (51, 4136843), (1399, 150807), (2957, 71349), (4197, 50269), (8871, 23783)]