71815395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6869}}^1$

素因数の和:6935

約数の個数: 32

約数和(自身を含む): 124649280

約数和(自身を除く): 52833885

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 6869, 10455, 20607, 34345, 103035, 116773, 281629, 350319, 583865, 844887, 1408145, 1751595, 4224435, 4787693, 14363079, 23938465, 71815395]

約数ペア:

[(1, 71815395), (3, 23938465), (5, 14363079), (15, 4787693), (17, 4224435), (41, 1751595), (51, 1408145), (85, 844887), (123, 583865), (205, 350319), (255, 281629), (615, 116773), (697, 103035), (2091, 34345), (3485, 20607), (6869, 10455)]