9120447

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 15275520

約数和(自身を除く): 6155073

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2039, 4473, 6117, 14273, 18351, 42819, 128457, 144769, 434307, 1013383, 1302921, 3040149, 9120447]

約数ペア:

[(1, 9120447), (3, 3040149), (7, 1302921), (9, 1013383), (21, 434307), (63, 144769), (71, 128457), (213, 42819), (497, 18351), (639, 14273), (1491, 6117), (2039, 4473)]