221458545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63913}}^1$

素因数の和:63942

約数の個数: 48

約数和(自身を含む): 478588032

約数和(自身を除く): 257129487

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 63913, 191739, 319565, 447391, 575217, 703043, 958695, 1342173, 2109129, 2236955, 2876085, 3515215, 4026519, 4921301, 6327387, 6710865, 10545645, 14763903, 20132595, 24606505, 31636935, 44291709, 73819515, 221458545]

約数ペア:

[(1, 221458545), (3, 73819515), (5, 44291709), (7, 31636935), (9, 24606505), (11, 20132595), (15, 14763903), (21, 10545645), (33, 6710865), (35, 6327387), (45, 4921301), (55, 4026519), (63, 3515215), (77, 2876085), (99, 2236955), (105, 2109129), (165, 1342173), (231, 958695), (315, 703043), (385, 575217), (495, 447391), (693, 319565), (1155, 191739), (3465, 63913)]