39651759

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 68689920

約数和(自身を除く): 29038161

約数列:

[1, 3, 7, 9, 21, 31, 63, 79, 93, 217, 237, 257, 279, 553, 651, 711, 771, 1659, 1799, 1953, 2313, 2449, 4977, 5397, 7347, 7967, 16191, 17143, 20303, 22041, 23901, 51429, 55769, 60909, 71703, 142121, 154287, 167307, 182727, 426363, 501921, 629393, 1279089, 1888179, 4405751, 5664537, 13217253, 39651759]

約数ペア:

[(1, 39651759), (3, 13217253), (7, 5664537), (9, 4405751), (21, 1888179), (31, 1279089), (63, 629393), (79, 501921), (93, 426363), (217, 182727), (237, 167307), (257, 154287), (279, 142121), (553, 71703), (651, 60909), (711, 55769), (771, 51429), (1659, 23901), (1799, 22041), (1953, 20303), (2313, 17143), (2449, 16191), (4977, 7967), (5397, 7347)]