815235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 636285

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 139, 255, 345, 391, 417, 695, 1173, 1955, 2085, 2363, 3197, 5865, 7089, 9591, 11815, 15985, 35445, 47955, 54349, 163047, 271745, 815235]

約数ペア:

[(1, 815235), (3, 271745), (5, 163047), (15, 54349), (17, 47955), (23, 35445), (51, 15985), (69, 11815), (85, 9591), (115, 7089), (139, 5865), (255, 3197), (345, 2363), (391, 2085), (417, 1955), (695, 1173)]