27939215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 9385585

約数列:

[1, 5, 19, 31, 53, 95, 155, 179, 265, 589, 895, 1007, 1643, 2945, 3401, 5035, 5549, 8215, 9487, 17005, 27745, 31217, 47435, 105431, 156085, 180253, 294097, 527155, 901265, 1470485, 5587843, 27939215]

約数ペア:

[(1, 27939215), (5, 5587843), (19, 1470485), (31, 901265), (53, 527155), (95, 294097), (155, 180253), (179, 156085), (265, 105431), (589, 47435), (895, 31217), (1007, 27745), (1643, 17005), (2945, 9487), (3401, 8215), (5035, 5549)]