320070009

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{70237}}^1$

素因数の和:70285

約数の個数: 24

約数和(自身を含む): 512456448

約数和(自身を除く): 192386439

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 70237, 210711, 491659, 1474977, 2177347, 3441613, 6532041, 10324839, 15241429, 45724287, 106690003, 320070009]

約数ペア:

[(1, 320070009), (3, 106690003), (7, 45724287), (21, 15241429), (31, 10324839), (49, 6532041), (93, 3441613), (147, 2177347), (217, 1474977), (651, 491659), (1519, 210711), (4557, 70237)]