81628503

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 126316800

約数和(自身を除く): 44688297

約数列:

[1, 3, 11, 19, 33, 57, 101, 209, 303, 627, 1111, 1289, 1919, 3333, 3867, 5757, 14179, 21109, 24491, 42537, 63327, 73473, 130189, 269401, 390567, 808203, 1432079, 2473591, 4296237, 7420773, 27209501, 81628503]

約数ペア:

[(1, 81628503), (3, 27209501), (11, 7420773), (19, 4296237), (33, 2473591), (57, 1432079), (101, 808203), (209, 390567), (303, 269401), (627, 130189), (1111, 73473), (1289, 63327), (1919, 42537), (3333, 24491), (3867, 21109), (5757, 14179)]