216731853

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 345661680

約数和(自身を除く): 128929827

約数列:

[1, 3, 9, 13, 39, 97, 113, 117, 169, 291, 339, 507, 873, 1017, 1261, 1469, 1521, 2197, 3783, 4407, 6591, 10961, 11349, 13221, 16393, 19097, 19773, 32883, 49179, 57291, 98649, 142493, 147537, 171873, 213109, 248261, 427479, 639327, 744783, 1282437, 1852409, 1917981, 2234349, 5557227, 16671681, 24081317, 72243951, 216731853]

約数ペア:

[(1, 216731853), (3, 72243951), (9, 24081317), (13, 16671681), (39, 5557227), (97, 2234349), (113, 1917981), (117, 1852409), (169, 1282437), (291, 744783), (339, 639327), (507, 427479), (873, 248261), (1017, 213109), (1261, 171873), (1469, 147537), (1521, 142493), (2197, 98649), (3783, 57291), (4407, 49179), (6591, 32883), (10961, 19773), (11349, 19097), (13221, 16393)]