287789787

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{10627}}^1$

素因数の和:10712

約数の個数: 32

約数和(自身を含む): 459129600

約数和(自身を除く): 171339813

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 1003, 1593, 3009, 9027, 10627, 27081, 31881, 95643, 180659, 286929, 541977, 626993, 1625931, 1880979, 4877793, 5642937, 10658881, 16928811, 31976643, 95929929, 287789787]

約数ペア:

[(1, 287789787), (3, 95929929), (9, 31976643), (17, 16928811), (27, 10658881), (51, 5642937), (59, 4877793), (153, 1880979), (177, 1625931), (459, 626993), (531, 541977), (1003, 286929), (1593, 180659), (3009, 95643), (9027, 31881), (10627, 27081)]