13251987

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11071}}^1$

素因数の和:11103

約数の個数: 24

約数和(自身を含む): 23029760

約数和(自身を除く): 9777773

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 11071, 33213, 77497, 99639, 210349, 232491, 631047, 697473, 1472443, 1893141, 4417329, 13251987]

約数ペア:

[(1, 13251987), (3, 4417329), (7, 1893141), (9, 1472443), (19, 697473), (21, 631047), (57, 232491), (63, 210349), (133, 99639), (171, 77497), (399, 33213), (1197, 11071)]