940821

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 1456128

約数和(自身を除く): 515307

約数列:

[1, 3, 7, 21, 71, 213, 497, 631, 1491, 1893, 4417, 13251, 44801, 134403, 313607, 940821]

約数ペア:

[(1, 940821), (3, 313607), (7, 134403), (21, 44801), (71, 13251), (213, 4417), (497, 1893), (631, 1491)]