31450833

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 20965167

約数列:

[1, 3, 9, 17, 19, 31, 51, 57, 93, 153, 171, 279, 323, 349, 527, 589, 969, 1047, 1581, 1767, 2907, 3141, 4743, 5301, 5933, 6631, 10013, 10819, 17799, 19893, 30039, 32457, 53397, 59679, 90117, 97371, 112727, 183923, 205561, 338181, 551769, 616683, 1014543, 1655307, 1850049, 3494537, 10483611, 31450833]

約数ペア:

[(1, 31450833), (3, 10483611), (9, 3494537), (17, 1850049), (19, 1655307), (31, 1014543), (51, 616683), (57, 551769), (93, 338181), (153, 205561), (171, 183923), (279, 112727), (323, 97371), (349, 90117), (527, 59679), (589, 53397), (969, 32457), (1047, 30039), (1581, 19893), (1767, 17799), (2907, 10819), (3141, 10013), (4743, 6631), (5301, 5933)]