31928499

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 19963341

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 131, 153, 177, 243, 393, 459, 531, 1003, 1179, 1377, 1593, 2227, 3009, 3537, 4131, 4779, 6681, 7729, 9027, 10611, 14337, 20043, 23187, 27081, 31833, 60129, 69561, 81243, 131393, 180387, 208683, 243729, 394179, 541161, 626049, 1182537, 1878147, 3547611, 10642833, 31928499]

約数ペア:

[(1, 31928499), (3, 10642833), (9, 3547611), (17, 1878147), (27, 1182537), (51, 626049), (59, 541161), (81, 394179), (131, 243729), (153, 208683), (177, 180387), (243, 131393), (393, 81243), (459, 69561), (531, 60129), (1003, 31833), (1179, 27081), (1377, 23187), (1593, 20043), (2227, 14337), (3009, 10611), (3537, 9027), (4131, 7729), (4779, 6681)]