890804865

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{18859}}^1$

素因数の和:18981

約数の個数: 32

約数和(自身を含む): 1477416960

約数和(自身を除く): 586612095

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 705, 1005, 3149, 9447, 15745, 18859, 47235, 56577, 94295, 282885, 886373, 1263553, 2659119, 3790659, 4431865, 6317765, 13295595, 18953295, 59386991, 178160973, 296934955, 890804865]

約数ペア:

[(1, 890804865), (3, 296934955), (5, 178160973), (15, 59386991), (47, 18953295), (67, 13295595), (141, 6317765), (201, 4431865), (235, 3790659), (335, 2659119), (705, 1263553), (1005, 886373), (3149, 282885), (9447, 94295), (15745, 56577), (18859, 47235)]