15375339

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 27700992

約数和(自身を除く): 12325653

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 131, 161, 189, 207, 243, 393, 483, 567, 621, 729, 917, 1179, 1449, 1701, 1863, 2751, 3013, 3537, 4347, 5103, 5589, 8253, 9039, 10611, 13041, 16767, 21091, 24759, 27117, 31833, 39123, 63273, 74277, 81351, 95499, 117369, 189819, 222831, 244053, 569457, 668493, 732159, 1708371, 2196477, 5125113, 15375339]

約数ペア:

[(1, 15375339), (3, 5125113), (7, 2196477), (9, 1708371), (21, 732159), (23, 668493), (27, 569457), (63, 244053), (69, 222831), (81, 189819), (131, 117369), (161, 95499), (189, 81351), (207, 74277), (243, 63273), (393, 39123), (483, 31833), (567, 27117), (621, 24759), (729, 21091), (917, 16767), (1179, 13041), (1449, 10611), (1701, 9039), (1863, 8253), (2751, 5589), (3013, 5103), (3537, 4347)]