27941571

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 23668029

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 189, 217, 251, 279, 399, 513, 589, 651, 753, 837, 1197, 1757, 1767, 1953, 2259, 3591, 4123, 4769, 5271, 5301, 5859, 6777, 7781, 12369, 14307, 15813, 15903, 23343, 33383, 37107, 42921, 47439, 54467, 70029, 100149, 111321, 128763, 147839, 163401, 210087, 300447, 443517, 490203, 901341, 1034873, 1330551, 1470609, 3104619, 3991653, 9313857, 27941571]

約数ペア:

[(1, 27941571), (3, 9313857), (7, 3991653), (9, 3104619), (19, 1470609), (21, 1330551), (27, 1034873), (31, 901341), (57, 490203), (63, 443517), (93, 300447), (133, 210087), (171, 163401), (189, 147839), (217, 128763), (251, 111321), (279, 100149), (399, 70029), (513, 54467), (589, 47439), (651, 42921), (753, 37107), (837, 33383), (1197, 23343), (1757, 15903), (1767, 15813), (1953, 14307), (2259, 12369), (3591, 7781), (4123, 6777), (4769, 5859), (5271, 5301)]