18154773

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 33511296

約数和(自身を除く): 15356523

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 821, 1053, 1701, 2457, 2463, 3159, 5747, 7371, 7389, 10673, 17241, 22113, 22167, 32019, 51723, 66501, 74711, 96057, 155169, 199503, 224133, 288171, 465507, 672399, 864513, 1396521, 2017197, 2593539, 6051591, 18154773]

約数ペア:

[(1, 18154773), (3, 6051591), (7, 2593539), (9, 2017197), (13, 1396521), (21, 864513), (27, 672399), (39, 465507), (63, 288171), (81, 224133), (91, 199503), (117, 155169), (189, 96057), (243, 74711), (273, 66501), (351, 51723), (567, 32019), (819, 22167), (821, 22113), (1053, 17241), (1701, 10673), (2457, 7389), (2463, 7371), (3159, 5747)]