216228957

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 143748003

約数列:

[1, 3, 7, 21, 23, 41, 61, 69, 123, 161, 179, 183, 287, 427, 483, 537, 861, 943, 1253, 1281, 1403, 2501, 2829, 3759, 4117, 4209, 6601, 7339, 7503, 9821, 10919, 12351, 17507, 19803, 22017, 28819, 29463, 32757, 51373, 52521, 57523, 76433, 86457, 154119, 168797, 172569, 229299, 251137, 402661, 447679, 506391, 753411, 1181579, 1207983, 1343037, 1757959, 3133753, 3544737, 5273877, 9401259, 10296617, 30889851, 72076319, 216228957]

約数ペア:

[(1, 216228957), (3, 72076319), (7, 30889851), (21, 10296617), (23, 9401259), (41, 5273877), (61, 3544737), (69, 3133753), (123, 1757959), (161, 1343037), (179, 1207983), (183, 1181579), (287, 753411), (427, 506391), (483, 447679), (537, 402661), (861, 251137), (943, 229299), (1253, 172569), (1281, 168797), (1403, 154119), (2501, 86457), (2829, 76433), (3759, 57523), (4117, 52521), (4209, 51373), (6601, 32757), (7339, 29463), (7503, 28819), (9821, 22017), (10919, 19803), (12351, 17507)]