27440235

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 51955200

約数和(自身を除く): 24514965

約数列:

[1, 3, 5, 9, 15, 27, 29, 43, 45, 87, 129, 135, 145, 163, 215, 261, 387, 435, 489, 645, 783, 815, 1161, 1247, 1305, 1467, 1935, 2445, 3741, 3915, 4401, 4727, 5805, 6235, 7009, 7335, 11223, 14181, 18705, 21027, 22005, 23635, 33669, 35045, 42543, 56115, 63081, 70905, 105135, 127629, 168345, 189243, 203261, 212715, 315405, 609783, 638145, 946215, 1016305, 1829349, 3048915, 5488047, 9146745, 27440235]

約数ペア:

[(1, 27440235), (3, 9146745), (5, 5488047), (9, 3048915), (15, 1829349), (27, 1016305), (29, 946215), (43, 638145), (45, 609783), (87, 315405), (129, 212715), (135, 203261), (145, 189243), (163, 168345), (215, 127629), (261, 105135), (387, 70905), (435, 63081), (489, 56115), (645, 42543), (783, 35045), (815, 33669), (1161, 23635), (1247, 22005), (1305, 21027), (1467, 18705), (1935, 14181), (2445, 11223), (3741, 7335), (3915, 7009), (4401, 6235), (4727, 5805)]