15607431

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 11971449

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 251, 329, 423, 441, 753, 987, 1269, 1323, 1757, 2259, 2303, 2961, 5271, 6777, 6909, 8883, 11797, 12299, 15813, 20727, 35391, 36897, 47439, 62181, 82579, 106173, 110691, 247737, 318519, 332073, 578053, 743211, 1734159, 2229633, 5202477, 15607431]

約数ペア:

[(1, 15607431), (3, 5202477), (7, 2229633), (9, 1734159), (21, 743211), (27, 578053), (47, 332073), (49, 318519), (63, 247737), (141, 110691), (147, 106173), (189, 82579), (251, 62181), (329, 47439), (423, 36897), (441, 35391), (753, 20727), (987, 15813), (1269, 12299), (1323, 11797), (1757, 8883), (2259, 6909), (2303, 6777), (2961, 5271)]