138691755

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 247193856

約数和(自身を除く): 108502101

約数列:

[1, 3, 5, 9, 15, 45, 71, 83, 213, 249, 355, 415, 523, 639, 747, 1065, 1245, 1569, 2615, 3195, 3735, 4707, 5893, 7845, 17679, 23535, 29465, 37133, 43409, 53037, 88395, 111399, 130227, 185665, 217045, 265185, 334197, 390681, 556995, 651135, 1670985, 1953405, 3082039, 9246117, 15410195, 27738351, 46230585, 138691755]

約数ペア:

[(1, 138691755), (3, 46230585), (5, 27738351), (9, 15410195), (15, 9246117), (45, 3082039), (71, 1953405), (83, 1670985), (213, 651135), (249, 556995), (355, 390681), (415, 334197), (523, 265185), (639, 217045), (747, 185665), (1065, 130227), (1245, 111399), (1569, 88395), (2615, 53037), (3195, 43409), (3735, 37133), (4707, 29465), (5893, 23535), (7845, 17679)]