165215545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 233873280

約数和(自身を除く): 68657735

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 703, 1045, 2035, 3515, 4273, 7733, 21365, 38665, 47003, 81187, 158101, 235015, 405935, 790505, 893057, 1739111, 3003919, 4465285, 8695555, 15019595, 33043109, 165215545]

約数ペア:

[(1, 165215545), (5, 33043109), (11, 15019595), (19, 8695555), (37, 4465285), (55, 3003919), (95, 1739111), (185, 893057), (209, 790505), (407, 405935), (703, 235015), (1045, 158101), (2035, 81187), (3515, 47003), (4273, 38665), (7733, 21365)]