213971901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26251}}^1$

素因数の和:26297

約数の個数: 32

約数和(自身を含む): 352826880

約数和(自身を除く): 138854979

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 26251, 78753, 288761, 341263, 498769, 866283, 1023789, 1496307, 3753893, 5486459, 6483997, 11261679, 16459377, 19451991, 71323967, 213971901]

約数ペア:

[(1, 213971901), (3, 71323967), (11, 19451991), (13, 16459377), (19, 11261679), (33, 6483997), (39, 5486459), (57, 3753893), (143, 1496307), (209, 1023789), (247, 866283), (429, 498769), (627, 341263), (741, 288761), (2717, 78753), (8151, 26251)]