218400003

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 366336000

約数和(自身を除く): 147935997

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 79, 153, 171, 237, 317, 323, 459, 513, 711, 951, 969, 1343, 1501, 2133, 2853, 2907, 4029, 4503, 5389, 6023, 8559, 8721, 12087, 13509, 16167, 18069, 25043, 25517, 36261, 40527, 48501, 54207, 75129, 76551, 102391, 145503, 162621, 225387, 229653, 307173, 425731, 475817, 676161, 688959, 921519, 1277193, 1427451, 2764557, 3831579, 4282353, 8088889, 11494737, 12847059, 24266667, 72800001, 218400003]

約数ペア:

[(1, 218400003), (3, 72800001), (9, 24266667), (17, 12847059), (19, 11494737), (27, 8088889), (51, 4282353), (57, 3831579), (79, 2764557), (153, 1427451), (171, 1277193), (237, 921519), (317, 688959), (323, 676161), (459, 475817), (513, 425731), (711, 307173), (951, 229653), (969, 225387), (1343, 162621), (1501, 145503), (2133, 102391), (2853, 76551), (2907, 75129), (4029, 54207), (4503, 48501), (5389, 40527), (6023, 36261), (8559, 25517), (8721, 25043), (12087, 18069), (13509, 16167)]