28049307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 44330496

約数和(自身を除く): 16281189

約数列:

[1, 3, 11, 13, 33, 39, 143, 151, 429, 433, 453, 1299, 1661, 1963, 4763, 4983, 5629, 5889, 14289, 16887, 21593, 61919, 64779, 65383, 185757, 196149, 719213, 849979, 2157639, 2549937, 9349769, 28049307]

約数ペア:

[(1, 28049307), (3, 9349769), (11, 2549937), (13, 2157639), (33, 849979), (39, 719213), (143, 196149), (151, 185757), (429, 65383), (433, 64779), (453, 61919), (1299, 21593), (1661, 16887), (1963, 14289), (4763, 5889), (4983, 5629)]