156969393

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 262437120

約数和(自身を除く): 105467727

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 399, 817, 903, 931, 1307, 2107, 2451, 2793, 3921, 5719, 6321, 9149, 17157, 24833, 27447, 40033, 56201, 64043, 74499, 120099, 168603, 173831, 192129, 393407, 521493, 1067819, 1180221, 1216817, 2753849, 3203457, 3650451, 7474733, 8261547, 22424199, 52323131, 156969393]

約数ペア:

[(1, 156969393), (3, 52323131), (7, 22424199), (19, 8261547), (21, 7474733), (43, 3650451), (49, 3203457), (57, 2753849), (129, 1216817), (133, 1180221), (147, 1067819), (301, 521493), (399, 393407), (817, 192129), (903, 173831), (931, 168603), (1307, 120099), (2107, 74499), (2451, 64043), (2793, 56201), (3921, 40033), (5719, 27447), (6321, 24833), (9149, 17157)]