28815156

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{7211}}^1$

素因数の和:7261

約数の個数: 48

約数和(自身を含む): 76735680

約数和(自身を除く): 47920524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 7211, 14422, 21633, 28844, 43266, 64899, 86532, 129798, 194697, 259596, 266807, 389394, 533614, 778788, 800421, 1067228, 1600842, 2401263, 3201684, 4802526, 7203789, 9605052, 14407578, 28815156]

約数ペア:

[(1, 28815156), (2, 14407578), (3, 9605052), (4, 7203789), (6, 4802526), (9, 3201684), (12, 2401263), (18, 1600842), (27, 1067228), (36, 800421), (37, 778788), (54, 533614), (74, 389394), (108, 266807), (111, 259596), (148, 194697), (222, 129798), (333, 86532), (444, 64899), (666, 43266), (999, 28844), (1332, 21633), (1998, 14422), (3996, 7211)]