28533729

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 44879520

約数和(自身を除く): 16345791

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 2659, 3577, 7977, 10731, 18613, 55839, 130291, 194107, 390873, 582321, 1358749, 4076247, 9511243, 28533729]

約数ペア:

[(1, 28533729), (3, 9511243), (7, 4076247), (21, 1358749), (49, 582321), (73, 390873), (147, 194107), (219, 130291), (511, 55839), (1533, 18613), (2659, 10731), (3577, 7977)]