16323993

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 28454400

約数和(自身を除く): 12130407

約数列:

[1, 3, 7, 9, 21, 37, 47, 63, 111, 141, 149, 259, 329, 333, 423, 447, 777, 987, 1043, 1341, 1739, 2331, 2961, 3129, 5217, 5513, 7003, 9387, 12173, 15651, 16539, 21009, 36519, 38591, 49021, 49617, 63027, 109557, 115773, 147063, 259111, 347319, 441189, 777333, 1813777, 2331999, 5441331, 16323993]

約数ペア:

[(1, 16323993), (3, 5441331), (7, 2331999), (9, 1813777), (21, 777333), (37, 441189), (47, 347319), (63, 259111), (111, 147063), (141, 115773), (149, 109557), (259, 63027), (329, 49617), (333, 49021), (423, 38591), (447, 36519), (777, 21009), (987, 16539), (1043, 15651), (1341, 12173), (1739, 9387), (2331, 7003), (2961, 5513), (3129, 5217)]