28193667

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 41674752

約数和(自身を除く): 13481085

約数列:

[1, 3, 17, 37, 51, 67, 111, 201, 223, 629, 669, 1139, 1887, 2479, 3417, 3791, 7437, 8251, 11373, 14941, 24753, 42143, 44823, 126429, 140267, 253997, 420801, 552817, 761991, 1658451, 9397889, 28193667]

約数ペア:

[(1, 28193667), (3, 9397889), (17, 1658451), (37, 761991), (51, 552817), (67, 420801), (111, 253997), (201, 140267), (223, 126429), (629, 44823), (669, 42143), (1139, 24753), (1887, 14941), (2479, 11373), (3417, 8251), (3791, 7437)]