51138219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 76573440

約数和(自身を除く): 25435221

約数列:

[1, 3, 11, 33, 67, 101, 201, 229, 303, 687, 737, 1111, 2211, 2519, 3333, 6767, 7557, 15343, 20301, 23129, 46029, 69387, 74437, 168773, 223311, 254419, 506319, 763257, 1549643, 4648929, 17046073, 51138219]

約数ペア:

[(1, 51138219), (3, 17046073), (11, 4648929), (33, 1549643), (67, 763257), (101, 506319), (201, 254419), (229, 223311), (303, 168773), (687, 74437), (737, 69387), (1111, 46029), (2211, 23129), (2519, 20301), (3333, 15343), (6767, 7557)]