993447

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 1767584

約数和(自身を除く): 774137

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1213, 3639, 8491, 10917, 15769, 25473, 47307, 76419, 110383, 141921, 331149, 993447]

約数ペア:

[(1, 993447), (3, 331149), (7, 141921), (9, 110383), (13, 76419), (21, 47307), (39, 25473), (63, 15769), (91, 10917), (117, 8491), (273, 3639), (819, 1213)]