28434555

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 52206336

約数和(自身を除く): 23771781

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 83, 115, 207, 249, 331, 345, 415, 747, 993, 1035, 1245, 1655, 1909, 2979, 3735, 4965, 5727, 7613, 9545, 14895, 17181, 22839, 27473, 28635, 38065, 68517, 82419, 85905, 114195, 137365, 247257, 342585, 412095, 631879, 1236285, 1895637, 3159395, 5686911, 9478185, 28434555]

約数ペア:

[(1, 28434555), (3, 9478185), (5, 5686911), (9, 3159395), (15, 1895637), (23, 1236285), (45, 631879), (69, 412095), (83, 342585), (115, 247257), (207, 137365), (249, 114195), (331, 85905), (345, 82419), (415, 68517), (747, 38065), (993, 28635), (1035, 27473), (1245, 22839), (1655, 17181), (1909, 14895), (2979, 9545), (3735, 7613), (4965, 5727)]