40257147

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 63562752

約数和(自身を除く): 23305605

約数列:

[1, 3, 7, 21, 37, 111, 197, 259, 263, 591, 777, 789, 1379, 1841, 4137, 5523, 7289, 9731, 21867, 29193, 51023, 51811, 68117, 153069, 155433, 204351, 362677, 1088031, 1917007, 5751021, 13419049, 40257147]

約数ペア:

[(1, 40257147), (3, 13419049), (7, 5751021), (21, 1917007), (37, 1088031), (111, 362677), (197, 204351), (259, 155433), (263, 153069), (591, 68117), (777, 51811), (789, 51023), (1379, 29193), (1841, 21867), (4137, 9731), (5523, 7289)]