158147745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2089}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 297348480

約数和(自身を除く): 139200735

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 147, 245, 309, 515, 721, 735, 1545, 2089, 2163, 3605, 5047, 6267, 10445, 10815, 14623, 15141, 25235, 31335, 43869, 73115, 75705, 102361, 215167, 219345, 307083, 511805, 645501, 1075835, 1506169, 1535415, 3227505, 4518507, 7530845, 10543183, 22592535, 31629549, 52715915, 158147745]

約数ペア:

[(1, 158147745), (3, 52715915), (5, 31629549), (7, 22592535), (15, 10543183), (21, 7530845), (35, 4518507), (49, 3227505), (103, 1535415), (105, 1506169), (147, 1075835), (245, 645501), (309, 511805), (515, 307083), (721, 219345), (735, 215167), (1545, 102361), (2089, 75705), (2163, 73115), (3605, 43869), (5047, 31335), (6267, 25235), (10445, 15141), (10815, 14623)]