201220845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61819}}^1$

素因数の和:61865

約数の個数: 32

約数和(自身を含む): 379822080

約数和(自身を除く): 178601235

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 61819, 185457, 309095, 432733, 927285, 1298199, 1916389, 2163665, 5749167, 6490995, 9581945, 13414723, 28745835, 40244169, 67073615, 201220845]

約数ペア:

[(1, 201220845), (3, 67073615), (5, 40244169), (7, 28745835), (15, 13414723), (21, 9581945), (31, 6490995), (35, 5749167), (93, 2163665), (105, 1916389), (155, 1298199), (217, 927285), (465, 432733), (651, 309095), (1085, 185457), (3255, 61819)]