259486215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{2179}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 440743680

約数和(自身を除く): 181257465

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 467, 1401, 2179, 2335, 6537, 7005, 7939, 10895, 23817, 32685, 37043, 39695, 111129, 119085, 185215, 555645, 1017593, 3052779, 5087965, 15263895, 17299081, 51897243, 86495405, 259486215]

約数ペア:

[(1, 259486215), (3, 86495405), (5, 51897243), (15, 17299081), (17, 15263895), (51, 5087965), (85, 3052779), (255, 1017593), (467, 555645), (1401, 185215), (2179, 119085), (2335, 111129), (6537, 39695), (7005, 37043), (7939, 32685), (10895, 23817)]