131511285

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 236006784

約数和(自身を除く): 104495499

約数列:

[1, 3, 5, 9, 15, 45, 53, 67, 159, 201, 265, 335, 477, 603, 795, 823, 1005, 2385, 2469, 3015, 3551, 4115, 7407, 10653, 12345, 17755, 31959, 37035, 43619, 53265, 55141, 130857, 159795, 165423, 218095, 275705, 392571, 496269, 654285, 827115, 1962855, 2481345, 2922473, 8767419, 14612365, 26302257, 43837095, 131511285]

約数ペア:

[(1, 131511285), (3, 43837095), (5, 26302257), (9, 14612365), (15, 8767419), (45, 2922473), (53, 2481345), (67, 1962855), (159, 827115), (201, 654285), (265, 496269), (335, 392571), (477, 275705), (603, 218095), (795, 165423), (823, 159795), (1005, 130857), (2385, 55141), (2469, 53265), (3015, 43619), (3551, 37035), (4115, 31959), (7407, 17755), (10653, 12345)]