40872783

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 64143360

約数和(自身を除く): 23270577

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 347, 497, 553, 1041, 1491, 1659, 2429, 5609, 7287, 16827, 24637, 27413, 39263, 73911, 82239, 117789, 172459, 191891, 517377, 575673, 1946323, 5838969, 13624261, 40872783]

約数ペア:

[(1, 40872783), (3, 13624261), (7, 5838969), (21, 1946323), (71, 575673), (79, 517377), (213, 191891), (237, 172459), (347, 117789), (497, 82239), (553, 73911), (1041, 39263), (1491, 27413), (1659, 24637), (2429, 16827), (5609, 7287)]