27927855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 53982720

約数和(自身を除く): 26054865

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 215, 255, 283, 387, 459, 645, 731, 765, 849, 1161, 1415, 1935, 2193, 2295, 2547, 3655, 4245, 4811, 5805, 6579, 7641, 10965, 12169, 12735, 14433, 19737, 24055, 32895, 36507, 38205, 43299, 60845, 72165, 98685, 109521, 129897, 182535, 206873, 216495, 328563, 547605, 620619, 649485, 1034365, 1642815, 1861857, 3103095, 5585571, 9309285, 27927855]

約数ペア:

[(1, 27927855), (3, 9309285), (5, 5585571), (9, 3103095), (15, 1861857), (17, 1642815), (27, 1034365), (43, 649485), (45, 620619), (51, 547605), (85, 328563), (129, 216495), (135, 206873), (153, 182535), (215, 129897), (255, 109521), (283, 98685), (387, 72165), (459, 60845), (645, 43299), (731, 38205), (765, 36507), (849, 32895), (1161, 24055), (1415, 19737), (1935, 14433), (2193, 12735), (2295, 12169), (2547, 10965), (3655, 7641), (4245, 6579), (4811, 5805)]