67809189

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 109330560

約数和(自身を除く): 41521371

約数列:

[1, 3, 7, 21, 49, 71, 73, 89, 147, 213, 219, 267, 497, 511, 623, 1491, 1533, 1869, 3479, 3577, 4361, 5183, 6319, 6497, 10437, 10731, 13083, 15549, 18957, 19491, 36281, 44233, 45479, 108843, 132699, 136437, 253967, 309631, 318353, 461287, 761901, 928893, 955059, 1383861, 3229009, 9687027, 22603063, 67809189]

約数ペア:

[(1, 67809189), (3, 22603063), (7, 9687027), (21, 3229009), (49, 1383861), (71, 955059), (73, 928893), (89, 761901), (147, 461287), (213, 318353), (219, 309631), (267, 253967), (497, 136437), (511, 132699), (623, 108843), (1491, 45479), (1533, 44233), (1869, 36281), (3479, 19491), (3577, 18957), (4361, 15549), (5183, 13083), (6319, 10731), (6497, 10437)]