65779725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 120420864

約数和(自身を除く): 54641139

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 355, 781, 825, 1065, 1123, 1775, 2343, 3369, 3905, 5325, 5615, 11715, 12353, 16845, 19525, 28075, 37059, 58575, 61765, 79733, 84225, 185295, 239199, 308825, 398665, 877063, 926475, 1195995, 1993325, 2631189, 4385315, 5979975, 13155945, 21926575, 65779725]

約数ペア:

[(1, 65779725), (3, 21926575), (5, 13155945), (11, 5979975), (15, 4385315), (25, 2631189), (33, 1993325), (55, 1195995), (71, 926475), (75, 877063), (165, 398665), (213, 308825), (275, 239199), (355, 185295), (781, 84225), (825, 79733), (1065, 61765), (1123, 58575), (1775, 37059), (2343, 28075), (3369, 19525), (3905, 16845), (5325, 12353), (5615, 11715)]