4028745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 8142336

約数和(自身を除く): 4113591

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 37, 51, 61, 85, 105, 111, 119, 183, 185, 255, 259, 305, 357, 427, 555, 595, 629, 777, 915, 1037, 1281, 1295, 1785, 1887, 2135, 2257, 3111, 3145, 3885, 4403, 5185, 6405, 6771, 7259, 9435, 11285, 13209, 15555, 15799, 21777, 22015, 33855, 36295, 38369, 47397, 66045, 78995, 108885, 115107, 191845, 236985, 268583, 575535, 805749, 1342915, 4028745]

約数ペア:

[(1, 4028745), (3, 1342915), (5, 805749), (7, 575535), (15, 268583), (17, 236985), (21, 191845), (35, 115107), (37, 108885), (51, 78995), (61, 66045), (85, 47397), (105, 38369), (111, 36295), (119, 33855), (183, 22015), (185, 21777), (255, 15799), (259, 15555), (305, 13209), (357, 11285), (427, 9435), (555, 7259), (595, 6771), (629, 6405), (777, 5185), (915, 4403), (1037, 3885), (1281, 3145), (1295, 3111), (1785, 2257), (1887, 2135)]