51491355

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 84602880

約数和(自身を除く): 33111525

約数列:

[1, 3, 5, 15, 53, 159, 239, 265, 271, 717, 795, 813, 1195, 1355, 3585, 4065, 12667, 14363, 38001, 43089, 63335, 64769, 71815, 190005, 194307, 215445, 323845, 971535, 3432757, 10298271, 17163785, 51491355]

約数ペア:

[(1, 51491355), (3, 17163785), (5, 10298271), (15, 3432757), (53, 971535), (159, 323845), (239, 215445), (265, 194307), (271, 190005), (717, 71815), (795, 64769), (813, 63335), (1195, 43089), (1355, 38001), (3585, 14363), (4065, 12667)]