28621131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5431

約数の個数: 32

約数和(自身を含む): 49655808

約数和(自身を除く): 21034677

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 5387, 16161, 37709, 59257, 113127, 123901, 177771, 371703, 414799, 867307, 1244397, 1362911, 2601921, 4088733, 9540377, 28621131]

約数ペア:

[(1, 28621131), (3, 9540377), (7, 4088733), (11, 2601921), (21, 1362911), (23, 1244397), (33, 867307), (69, 414799), (77, 371703), (161, 177771), (231, 123901), (253, 113127), (483, 59257), (759, 37709), (1771, 16161), (5313, 5387)]