2867193

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 4807296

約数和(自身を除く): 1940103

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 641, 1491, 1923, 4473, 4487, 5769, 13461, 40383, 45511, 136533, 318577, 409599, 955731, 2867193]

約数ペア:

[(1, 2867193), (3, 955731), (7, 409599), (9, 318577), (21, 136533), (63, 45511), (71, 40383), (213, 13461), (497, 5769), (639, 4487), (641, 4473), (1491, 1923)]