40980381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 61071360

約数和(自身を除く): 20090979

約数列:

[1, 3, 13, 39, 47, 79, 141, 237, 283, 611, 849, 1027, 1833, 3081, 3679, 3713, 11037, 11139, 13301, 22357, 39903, 48269, 67071, 144807, 172913, 290641, 518739, 871923, 1050779, 3152337, 13660127, 40980381]

約数ペア:

[(1, 40980381), (3, 13660127), (13, 3152337), (39, 1050779), (47, 871923), (79, 518739), (141, 290641), (237, 172913), (283, 144807), (611, 67071), (849, 48269), (1027, 39903), (1833, 22357), (3081, 13301), (3679, 11139), (3713, 11037)]