220772007

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 337756160

約数和(自身を除く): 116984153

約数列:

[1, 3, 9, 27, 37, 111, 223, 333, 669, 991, 999, 2007, 2973, 6021, 8251, 8919, 24753, 26757, 36667, 74259, 110001, 220993, 222777, 330003, 662979, 990009, 1988937, 5966811, 8176741, 24530223, 73590669, 220772007]

約数ペア:

[(1, 220772007), (3, 73590669), (9, 24530223), (27, 8176741), (37, 5966811), (111, 1988937), (223, 990009), (333, 662979), (669, 330003), (991, 222777), (999, 220993), (2007, 110001), (2973, 74259), (6021, 36667), (8251, 26757), (8919, 24753)]