681302013

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{26879}}^1$

素因数の和:26977

約数の個数: 32

約数和(自身を含む): 1114767360

約数和(自身を除く): 433465347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 1207, 1491, 3621, 8449, 25347, 26879, 80637, 188153, 456943, 564459, 1370829, 1908409, 3198601, 5725227, 9595803, 13358863, 32442953, 40076589, 97328859, 227100671, 681302013]

約数ペア:

[(1, 681302013), (3, 227100671), (7, 97328859), (17, 40076589), (21, 32442953), (51, 13358863), (71, 9595803), (119, 5725227), (213, 3198601), (357, 1908409), (497, 1370829), (1207, 564459), (1491, 456943), (3621, 188153), (8449, 80637), (25347, 26879)]