81728892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{108107}}^1$

素因数の和:108127

約数の個数: 48

約数和(自身を含む): 242161920

約数和(自身を除く): 160433028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 108107, 216214, 324321, 432428, 648642, 756749, 972963, 1297284, 1513498, 1945926, 2270247, 2918889, 3026996, 3891852, 4540494, 5837778, 6810741, 9080988, 11675556, 13621482, 20432223, 27242964, 40864446, 81728892]

約数ペア:

[(1, 81728892), (2, 40864446), (3, 27242964), (4, 20432223), (6, 13621482), (7, 11675556), (9, 9080988), (12, 6810741), (14, 5837778), (18, 4540494), (21, 3891852), (27, 3026996), (28, 2918889), (36, 2270247), (42, 1945926), (54, 1513498), (63, 1297284), (84, 972963), (108, 756749), (126, 648642), (189, 432428), (252, 324321), (378, 216214), (756, 108107)]