13375285

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 20448000

約数和(自身を除く): 7072715

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 709, 1715, 2695, 3545, 3773, 4963, 7799, 18865, 24815, 34741, 38995, 54593, 173705, 243187, 272965, 382151, 1215935, 1910755, 2675057, 13375285]

約数ペア:

[(1, 13375285), (5, 2675057), (7, 1910755), (11, 1215935), (35, 382151), (49, 272965), (55, 243187), (77, 173705), (245, 54593), (343, 38995), (385, 34741), (539, 24815), (709, 18865), (1715, 7799), (2695, 4963), (3545, 3773)]