28162695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 24672633

約数列:

[1, 3, 5, 11, 15, 23, 33, 41, 55, 69, 115, 123, 165, 181, 205, 253, 345, 451, 543, 615, 759, 905, 943, 1265, 1353, 1991, 2255, 2715, 2829, 3795, 4163, 4715, 5973, 6765, 7421, 9955, 10373, 12489, 14145, 20815, 22263, 29865, 31119, 37105, 45793, 51865, 62445, 81631, 111315, 137379, 155595, 170683, 228965, 244893, 408155, 512049, 686895, 853415, 1224465, 1877513, 2560245, 5632539, 9387565, 28162695]

約数ペア:

[(1, 28162695), (3, 9387565), (5, 5632539), (11, 2560245), (15, 1877513), (23, 1224465), (33, 853415), (41, 686895), (55, 512049), (69, 408155), (115, 244893), (123, 228965), (165, 170683), (181, 155595), (205, 137379), (253, 111315), (345, 81631), (451, 62445), (543, 51865), (615, 45793), (759, 37105), (905, 31119), (943, 29865), (1265, 22263), (1353, 20815), (1991, 14145), (2255, 12489), (2715, 10373), (2829, 9955), (3795, 7421), (4163, 6765), (4715, 5973)]