209727441

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 389836800

約数和(自身を除く): 180109359

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 281, 297, 359, 693, 843, 1077, 1967, 2079, 2513, 2529, 3091, 3231, 3949, 5901, 7539, 7587, 9273, 9693, 11847, 17703, 21637, 22617, 27643, 27819, 35541, 53109, 64911, 67851, 82929, 83457, 100879, 106623, 194733, 248787, 302637, 584199, 706153, 746361, 907911, 1109669, 2118459, 2723733, 3329007, 6355377, 7767683, 9987021, 19066131, 23303049, 29961063, 69909147, 209727441]

約数ペア:

[(1, 209727441), (3, 69909147), (7, 29961063), (9, 23303049), (11, 19066131), (21, 9987021), (27, 7767683), (33, 6355377), (63, 3329007), (77, 2723733), (99, 2118459), (189, 1109669), (231, 907911), (281, 746361), (297, 706153), (359, 584199), (693, 302637), (843, 248787), (1077, 194733), (1967, 106623), (2079, 100879), (2513, 83457), (2529, 82929), (3091, 67851), (3231, 64911), (3949, 53109), (5901, 35541), (7539, 27819), (7587, 27643), (9273, 22617), (9693, 21637), (11847, 17703)]