64985529

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 104796160

約数和(自身を除く): 39810631

約数列:

[1, 3, 7, 19, 21, 57, 133, 271, 399, 601, 813, 1803, 1897, 4207, 5149, 5691, 11419, 12621, 15447, 34257, 36043, 79933, 108129, 162871, 239799, 488613, 1140097, 3094549, 3420291, 9283647, 21661843, 64985529]

約数ペア:

[(1, 64985529), (3, 21661843), (7, 9283647), (19, 3420291), (21, 3094549), (57, 1140097), (133, 488613), (271, 239799), (399, 162871), (601, 108129), (813, 79933), (1803, 36043), (1897, 34257), (4207, 15447), (5149, 12621), (5691, 11419)]