156947049

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18731}}^1$

素因数の和:18770

約数の個数: 36

約数和(自身を含む): 277608240

約数和(自身を除く): 120661191

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 18731, 56193, 131117, 168579, 355889, 393351, 917819, 1067667, 1180053, 2491223, 2753457, 3203001, 7473669, 8260371, 17438561, 22421007, 52315683, 156947049]

約数ペア:

[(1, 156947049), (3, 52315683), (7, 22421007), (9, 17438561), (19, 8260371), (21, 7473669), (49, 3203001), (57, 2753457), (63, 2491223), (133, 1180053), (147, 1067667), (171, 917819), (399, 393351), (441, 355889), (931, 168579), (1197, 131117), (2793, 56193), (8379, 18731)]