15679878489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1\times {\mathrm{2251}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 25092108288

約数和(自身を除く): 9412229799

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 991, 2251, 2343, 2973, 6753, 7029, 8919, 10901, 20259, 24761, 32703, 70361, 74283, 98109, 159821, 211083, 222849, 479463, 633249, 773971, 1438389, 1758031, 2230741, 2321913, 5274093, 6692223, 6965739, 15822279, 20076669, 24538151, 73614453, 158382611, 220843359, 475147833, 1425443499, 1742208721, 5226626163, 15679878489]

約数ペア:

[(1, 15679878489), (3, 5226626163), (9, 1742208721), (11, 1425443499), (33, 475147833), (71, 220843359), (99, 158382611), (213, 73614453), (639, 24538151), (781, 20076669), (991, 15822279), (2251, 6965739), (2343, 6692223), (2973, 5274093), (6753, 2321913), (7029, 2230741), (8919, 1758031), (10901, 1438389), (20259, 773971), (24761, 633249), (32703, 479463), (70361, 222849), (74283, 211083), (98109, 159821)]