128511117

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 235417600

約数和(自身を除く): 106906483

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 79, 81, 133, 151, 171, 189, 237, 399, 453, 513, 553, 567, 711, 1057, 1197, 1359, 1501, 1539, 1659, 2133, 2869, 3171, 3591, 4077, 4503, 4977, 6399, 8607, 9513, 10507, 10773, 11929, 12231, 13509, 14931, 20083, 25821, 28539, 31521, 35787, 40527, 44793, 60249, 77463, 83503, 85617, 94563, 107361, 121581, 180747, 226651, 232389, 250509, 283689, 322083, 542241, 679953, 751527, 851067, 966249, 1586557, 1626723, 2039859, 2254581, 4759671, 6119577, 6763743, 14279013, 18358731, 42837039, 128511117]

約数ペア:

[(1, 128511117), (3, 42837039), (7, 18358731), (9, 14279013), (19, 6763743), (21, 6119577), (27, 4759671), (57, 2254581), (63, 2039859), (79, 1626723), (81, 1586557), (133, 966249), (151, 851067), (171, 751527), (189, 679953), (237, 542241), (399, 322083), (453, 283689), (513, 250509), (553, 232389), (567, 226651), (711, 180747), (1057, 121581), (1197, 107361), (1359, 94563), (1501, 85617), (1539, 83503), (1659, 77463), (2133, 60249), (2869, 44793), (3171, 40527), (3591, 35787), (4077, 31521), (4503, 28539), (4977, 25821), (6399, 20083), (8607, 14931), (9513, 13509), (10507, 12231), (10773, 11929)]