221539395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3251}}^1$

素因数の和:3336

約数の個数: 64

約数和(自身を含む): 449556480

約数和(自身を除く): 228017085

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 59, 77, 105, 165, 177, 231, 295, 385, 413, 649, 885, 1155, 1239, 1947, 2065, 3245, 3251, 4543, 6195, 9735, 9753, 13629, 16255, 22715, 22757, 35761, 48765, 68145, 68271, 107283, 113785, 178805, 191809, 250327, 341355, 536415, 575427, 750981, 959045, 1251635, 1342663, 2109899, 2877135, 3754905, 4027989, 6329697, 6713315, 10549495, 14769293, 20139945, 31648485, 44307879, 73846465, 221539395]

約数ペア:

[(1, 221539395), (3, 73846465), (5, 44307879), (7, 31648485), (11, 20139945), (15, 14769293), (21, 10549495), (33, 6713315), (35, 6329697), (55, 4027989), (59, 3754905), (77, 2877135), (105, 2109899), (165, 1342663), (177, 1251635), (231, 959045), (295, 750981), (385, 575427), (413, 536415), (649, 341355), (885, 250327), (1155, 191809), (1239, 178805), (1947, 113785), (2065, 107283), (3245, 68271), (3251, 68145), (4543, 48765), (6195, 35761), (9735, 22757), (9753, 22715), (13629, 16255)]