31413669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 50856960

約数和(自身を除く): 19443291

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 601, 917, 1803, 2489, 2751, 4207, 7467, 11419, 12621, 17423, 34257, 52269, 78731, 79933, 236193, 239799, 551117, 1495889, 1653351, 4487667, 10471223, 31413669]

約数ペア:

[(1, 31413669), (3, 10471223), (7, 4487667), (19, 1653351), (21, 1495889), (57, 551117), (131, 239799), (133, 236193), (393, 79933), (399, 78731), (601, 52269), (917, 34257), (1803, 17423), (2489, 12621), (2751, 11419), (4207, 7467)]