181831305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{9721}}^1$

素因数の和:9801

約数の個数: 32

約数和(自身を含む): 307992960

約数和(自身を除く): 126161655

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 3741, 6235, 9721, 18705, 29163, 48605, 145815, 281909, 418003, 845727, 1254009, 1409545, 2090015, 4228635, 6270045, 12122087, 36366261, 60610435, 181831305]

約数ペア:

[(1, 181831305), (3, 60610435), (5, 36366261), (15, 12122087), (29, 6270045), (43, 4228635), (87, 2090015), (129, 1409545), (145, 1254009), (215, 845727), (435, 418003), (645, 281909), (1247, 145815), (3741, 48605), (6235, 29163), (9721, 18705)]