55027917

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 100346752

約数和(自身を除く): 45318835

約数列:

[1, 3, 7, 9, 21, 27, 37, 43, 61, 63, 81, 111, 129, 183, 189, 259, 301, 333, 387, 427, 549, 567, 777, 903, 999, 1161, 1281, 1591, 1647, 2257, 2331, 2623, 2709, 2997, 3483, 3843, 4773, 4941, 6771, 6993, 7869, 8127, 11137, 11529, 14319, 15799, 18361, 20313, 20979, 23607, 24381, 33411, 34587, 42957, 47397, 55083, 60939, 70821, 97051, 100233, 128871, 142191, 165249, 182817, 212463, 291153, 300699, 426573, 495747, 679357, 873459, 902097, 1279719, 1487241, 2038071, 2620377, 6114213, 7861131, 18342639, 55027917]

約数ペア:

[(1, 55027917), (3, 18342639), (7, 7861131), (9, 6114213), (21, 2620377), (27, 2038071), (37, 1487241), (43, 1279719), (61, 902097), (63, 873459), (81, 679357), (111, 495747), (129, 426573), (183, 300699), (189, 291153), (259, 212463), (301, 182817), (333, 165249), (387, 142191), (427, 128871), (549, 100233), (567, 97051), (777, 70821), (903, 60939), (999, 55083), (1161, 47397), (1281, 42957), (1591, 34587), (1647, 33411), (2257, 24381), (2331, 23607), (2623, 20979), (2709, 20313), (2997, 18361), (3483, 15799), (3843, 14319), (4773, 11529), (4941, 11137), (6771, 8127), (6993, 7869)]