1257457107

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 1791313920

約数和(自身を除く): 533856813

約数列:

[1, 3, 19, 57, 113, 197, 339, 591, 991, 2147, 2973, 3743, 6441, 11229, 18829, 22261, 56487, 66783, 111983, 195227, 335949, 422959, 585681, 1268877, 2127677, 3709313, 6383031, 11127939, 22060651, 66181953, 419152369, 1257457107]

約数ペア:

[(1, 1257457107), (3, 419152369), (19, 66181953), (57, 22060651), (113, 11127939), (197, 6383031), (339, 3709313), (591, 2127677), (991, 1268877), (2147, 585681), (2973, 422959), (3743, 335949), (6441, 195227), (11229, 111983), (18829, 66783), (22261, 56487)]