890493921

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 1378840320

約数和(自身を除く): 488346399

約数列:

[1, 3, 9, 23, 61, 69, 109, 183, 207, 327, 549, 647, 981, 1403, 1941, 2507, 4209, 5823, 6649, 7521, 12627, 14881, 19947, 22563, 39467, 44643, 59841, 70523, 118401, 133929, 152927, 211569, 355203, 458781, 634707, 907741, 1376343, 1622029, 2723223, 4301903, 4866087, 8169669, 12905709, 14598261, 38717127, 98943769, 296831307, 890493921]

約数ペア:

[(1, 890493921), (3, 296831307), (9, 98943769), (23, 38717127), (61, 14598261), (69, 12905709), (109, 8169669), (183, 4866087), (207, 4301903), (327, 2723223), (549, 1622029), (647, 1376343), (981, 907741), (1403, 634707), (1941, 458781), (2507, 355203), (4209, 211569), (5823, 152927), (6649, 133929), (7521, 118401), (12627, 70523), (14881, 59841), (19947, 44643), (22563, 39467)]