131204025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 253019520

約数和(自身を除く): 121815495

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 225, 235, 285, 423, 475, 653, 705, 855, 893, 1175, 1425, 1959, 2115, 2679, 3265, 3525, 4275, 4465, 5877, 8037, 9795, 10575, 12407, 13395, 16325, 22325, 29385, 30691, 37221, 40185, 48975, 62035, 66975, 92073, 111663, 146925, 153455, 186105, 200925, 276219, 310175, 460365, 558315, 583129, 767275, 930525, 1381095, 1749387, 2301825, 2791575, 2915645, 5248161, 6905475, 8746935, 14578225, 26240805, 43734675, 131204025]

約数ペア:

[(1, 131204025), (3, 43734675), (5, 26240805), (9, 14578225), (15, 8746935), (19, 6905475), (25, 5248161), (45, 2915645), (47, 2791575), (57, 2301825), (75, 1749387), (95, 1381095), (141, 930525), (171, 767275), (225, 583129), (235, 558315), (285, 460365), (423, 310175), (475, 276219), (653, 200925), (705, 186105), (855, 153455), (893, 146925), (1175, 111663), (1425, 92073), (1959, 66975), (2115, 62035), (2679, 48975), (3265, 40185), (3525, 37221), (4275, 30691), (4465, 29385), (5877, 22325), (8037, 16325), (9795, 13395), (10575, 12407)]