561015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 1205568

約数和(自身を除く): 644553

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 137, 195, 273, 315, 411, 455, 585, 685, 819, 959, 1233, 1365, 1781, 2055, 2877, 4095, 4795, 5343, 6165, 8631, 8905, 12467, 14385, 16029, 26715, 37401, 43155, 62335, 80145, 112203, 187005, 561015]

約数ペア:

[(1, 561015), (3, 187005), (5, 112203), (7, 80145), (9, 62335), (13, 43155), (15, 37401), (21, 26715), (35, 16029), (39, 14385), (45, 12467), (63, 8905), (65, 8631), (91, 6165), (105, 5343), (117, 4795), (137, 4095), (195, 2877), (273, 2055), (315, 1781), (411, 1365), (455, 1233), (585, 959), (685, 819)]