72481905

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3919}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 129830400

約数和(自身を除く): 57348495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 3919, 6165, 11757, 18495, 19595, 35271, 58785, 105813, 176355, 529065, 536903, 1610709, 2684515, 4832127, 8053545, 14496381, 24160635, 72481905]

約数ペア:

[(1, 72481905), (3, 24160635), (5, 14496381), (9, 8053545), (15, 4832127), (27, 2684515), (45, 1610709), (135, 536903), (137, 529065), (411, 176355), (685, 105813), (1233, 58785), (2055, 35271), (3699, 19595), (3919, 18495), (6165, 11757)]