72722559

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 124053504

約数和(自身を除く): 51330945

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 169, 217, 273, 403, 507, 651, 661, 1183, 1209, 1983, 2821, 3549, 4627, 5239, 8463, 8593, 13881, 15717, 20491, 25779, 36673, 60151, 61473, 110019, 111709, 143437, 180453, 266383, 335127, 430311, 781963, 799149, 1864681, 2345889, 3462979, 5594043, 10388937, 24240853, 72722559]

約数ペア:

[(1, 72722559), (3, 24240853), (7, 10388937), (13, 5594043), (21, 3462979), (31, 2345889), (39, 1864681), (91, 799149), (93, 781963), (169, 430311), (217, 335127), (273, 266383), (403, 180453), (507, 143437), (651, 111709), (661, 110019), (1183, 61473), (1209, 60151), (1983, 36673), (2821, 25779), (3549, 20491), (4627, 15717), (5239, 13881), (8463, 8593)]