172904211

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{2707}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 256848384

約数和(自身を除く): 83944173

約数列:

[1, 3, 9, 47, 141, 151, 423, 453, 1359, 2707, 7097, 8121, 21291, 24363, 63873, 127229, 381687, 408757, 1145061, 1226271, 3678813, 19211579, 57634737, 172904211]

約数ペア:

[(1, 172904211), (3, 57634737), (9, 19211579), (47, 3678813), (141, 1226271), (151, 1145061), (423, 408757), (453, 381687), (1359, 127229), (2707, 63873), (7097, 24363), (8121, 21291)]