898765521

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 1243670400

約数和(自身を除く): 344904879

約数列:

[1, 3, 61, 89, 139, 183, 267, 397, 417, 1191, 5429, 8479, 12371, 16287, 24217, 25437, 35333, 37113, 55183, 72651, 105999, 165549, 754631, 2155313, 2263893, 3366163, 4911287, 6465939, 10098489, 14733861, 299588507, 898765521]

約数ペア:

[(1, 898765521), (3, 299588507), (61, 14733861), (89, 10098489), (139, 6465939), (183, 4911287), (267, 3366163), (397, 2263893), (417, 2155313), (1191, 754631), (5429, 165549), (8479, 105999), (12371, 72651), (16287, 55183), (24217, 37113), (25437, 35333)]