28306845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 56888832

約数和(自身を除く): 28581987

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1231, 1533, 2555, 3285, 3693, 4599, 6155, 7665, 8617, 11079, 18465, 22995, 25851, 43085, 55395, 77553, 89863, 129255, 269589, 387765, 449315, 629041, 808767, 1347945, 1887123, 3145205, 4043835, 5661369, 9435615, 28306845]

約数ペア:

[(1, 28306845), (3, 9435615), (5, 5661369), (7, 4043835), (9, 3145205), (15, 1887123), (21, 1347945), (35, 808767), (45, 629041), (63, 449315), (73, 387765), (105, 269589), (219, 129255), (315, 89863), (365, 77553), (511, 55395), (657, 43085), (1095, 25851), (1231, 22995), (1533, 18465), (2555, 11079), (3285, 8617), (3693, 7665), (4599, 6155)]