71898393

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 113909760

約数和(自身を除く): 42011367

約数列:

[1, 3, 7, 21, 31, 93, 179, 217, 537, 617, 651, 1253, 1851, 3759, 4319, 5549, 12957, 16647, 19127, 38843, 57381, 110443, 116529, 133889, 331329, 401667, 773101, 2319303, 3423733, 10271199, 23966131, 71898393]

約数ペア:

[(1, 71898393), (3, 23966131), (7, 10271199), (21, 3423733), (31, 2319303), (93, 773101), (179, 401667), (217, 331329), (537, 133889), (617, 116529), (651, 110443), (1253, 57381), (1851, 38843), (3759, 19127), (4319, 16647), (5549, 12957)]