7444827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 12972960

約数和(自身を除く): 5528133

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 197, 221, 247, 323, 591, 663, 741, 969, 1773, 1989, 2223, 2561, 2907, 3349, 3743, 4199, 7683, 10047, 11229, 12597, 23049, 30141, 33687, 37791, 43537, 48659, 63631, 130611, 145977, 190893, 391833, 437931, 572679, 827203, 2481609, 7444827]

約数ペア:

[(1, 7444827), (3, 2481609), (9, 827203), (13, 572679), (17, 437931), (19, 391833), (39, 190893), (51, 145977), (57, 130611), (117, 63631), (153, 48659), (171, 43537), (197, 37791), (221, 33687), (247, 30141), (323, 23049), (591, 12597), (663, 11229), (741, 10047), (969, 7683), (1773, 4199), (1989, 3743), (2223, 3349), (2561, 2907)]