231000255

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8513}}^1$

素因数の和:8597

約数の個数: 40

約数和(自身を含む): 420319152

約数和(自身を除く): 189318897

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 1005, 1809, 3015, 5427, 8513, 9045, 25539, 27135, 42565, 76617, 127695, 229851, 383085, 570371, 689553, 1149255, 1711113, 2851855, 3447765, 5133339, 8555565, 15400017, 25666695, 46200051, 77000085, 231000255]

約数ペア:

[(1, 231000255), (3, 77000085), (5, 46200051), (9, 25666695), (15, 15400017), (27, 8555565), (45, 5133339), (67, 3447765), (81, 2851855), (135, 1711113), (201, 1149255), (335, 689553), (405, 570371), (603, 383085), (1005, 229851), (1809, 127695), (3015, 76617), (5427, 42565), (8513, 27135), (9045, 25539)]