397487145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{8573}}^1$

素因数の和:8873

約数の個数: 32

約数和(自身を含む): 696345984

約数和(自身を除く): 298858839

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 281, 843, 1405, 3091, 4215, 8573, 9273, 15455, 25719, 42865, 46365, 94303, 128595, 282909, 471515, 1414545, 2409013, 7227039, 12045065, 26499143, 36135195, 79497429, 132495715, 397487145]

約数ペア:

[(1, 397487145), (3, 132495715), (5, 79497429), (11, 36135195), (15, 26499143), (33, 12045065), (55, 7227039), (165, 2409013), (281, 1414545), (843, 471515), (1405, 282909), (3091, 128595), (4215, 94303), (8573, 46365), (9273, 42865), (15455, 25719)]