42532215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 80248320

約数和(自身を除く): 37716105

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 59, 85, 165, 177, 187, 255, 257, 295, 561, 649, 771, 885, 935, 1003, 1285, 1947, 2805, 2827, 3009, 3245, 3855, 4369, 5015, 8481, 9735, 11033, 13107, 14135, 15045, 15163, 21845, 33099, 42405, 45489, 48059, 55165, 65535, 75815, 144177, 165495, 166793, 227445, 240295, 257771, 500379, 720885, 773313, 833965, 1288855, 2501895, 2835481, 3866565, 8506443, 14177405, 42532215]

約数ペア:

[(1, 42532215), (3, 14177405), (5, 8506443), (11, 3866565), (15, 2835481), (17, 2501895), (33, 1288855), (51, 833965), (55, 773313), (59, 720885), (85, 500379), (165, 257771), (177, 240295), (187, 227445), (255, 166793), (257, 165495), (295, 144177), (561, 75815), (649, 65535), (771, 55165), (885, 48059), (935, 45489), (1003, 42405), (1285, 33099), (1947, 21845), (2805, 15163), (2827, 15045), (3009, 14135), (3245, 13107), (3855, 11033), (4369, 9735), (5015, 8481)]