72051309

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 122492160

約数和(自身を除く): 50440851

約数列:

[1, 3, 9, 11, 27, 33, 41, 61, 97, 99, 123, 183, 291, 297, 369, 451, 549, 671, 873, 1067, 1107, 1353, 1647, 2013, 2501, 2619, 3201, 3977, 4059, 5917, 6039, 7503, 9603, 11931, 12177, 17751, 18117, 22509, 27511, 28809, 35793, 43747, 53253, 65087, 67527, 82533, 107379, 131241, 159759, 195261, 242597, 247599, 393723, 585783, 727791, 742797, 1181169, 1757349, 2183373, 2668567, 6550119, 8005701, 24017103, 72051309]

約数ペア:

[(1, 72051309), (3, 24017103), (9, 8005701), (11, 6550119), (27, 2668567), (33, 2183373), (41, 1757349), (61, 1181169), (97, 742797), (99, 727791), (123, 585783), (183, 393723), (291, 247599), (297, 242597), (369, 195261), (451, 159759), (549, 131241), (671, 107379), (873, 82533), (1067, 67527), (1107, 65087), (1353, 53253), (1647, 43747), (2013, 35793), (2501, 28809), (2619, 27511), (3201, 22509), (3977, 18117), (4059, 17751), (5917, 12177), (6039, 11931), (7503, 9603)]