15575679

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 27423840

約数和(自身を除く): 11848161

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 193, 427, 441, 549, 579, 1281, 1323, 1351, 1647, 1737, 2989, 3843, 4053, 5211, 8967, 9457, 11529, 11773, 12159, 26901, 28371, 35319, 36477, 80703, 82411, 85113, 105957, 247233, 255339, 317871, 576877, 741699, 1730631, 2225097, 5191893, 15575679]

約数ペア:

[(1, 15575679), (3, 5191893), (7, 2225097), (9, 1730631), (21, 741699), (27, 576877), (49, 317871), (61, 255339), (63, 247233), (147, 105957), (183, 85113), (189, 82411), (193, 80703), (427, 36477), (441, 35319), (549, 28371), (579, 26901), (1281, 12159), (1323, 11773), (1351, 11529), (1647, 9457), (1737, 8967), (2989, 5211), (3843, 4053)]