31807413

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 53389440

約数和(自身を除く): 21582027

約数列:

[1, 3, 9, 11, 23, 33, 61, 69, 99, 183, 207, 229, 253, 549, 671, 687, 759, 1403, 2013, 2061, 2277, 2519, 4209, 5267, 6039, 7557, 12627, 13969, 15433, 15801, 22671, 41907, 46299, 47403, 57937, 125721, 138897, 153659, 173811, 321287, 460977, 521433, 963861, 1382931, 2891583, 3534157, 10602471, 31807413]

約数ペア:

[(1, 31807413), (3, 10602471), (9, 3534157), (11, 2891583), (23, 1382931), (33, 963861), (61, 521433), (69, 460977), (99, 321287), (183, 173811), (207, 153659), (229, 138897), (253, 125721), (549, 57937), (671, 47403), (687, 46299), (759, 41907), (1403, 22671), (2013, 15801), (2061, 15433), (2277, 13969), (2519, 12627), (4209, 7557), (5267, 6039)]