28162365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 29621955

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 555, 659, 777, 1155, 1221, 1295, 1977, 2035, 2849, 3295, 3885, 4613, 6105, 7249, 8547, 9885, 13839, 14245, 21747, 23065, 24383, 36245, 42735, 50743, 69195, 73149, 108735, 121915, 152229, 170681, 253715, 268213, 365745, 512043, 761145, 804639, 853405, 1341065, 1877491, 2560215, 4023195, 5632473, 9387455, 28162365]

約数ペア:

[(1, 28162365), (3, 9387455), (5, 5632473), (7, 4023195), (11, 2560215), (15, 1877491), (21, 1341065), (33, 853405), (35, 804639), (37, 761145), (55, 512043), (77, 365745), (105, 268213), (111, 253715), (165, 170681), (185, 152229), (231, 121915), (259, 108735), (385, 73149), (407, 69195), (555, 50743), (659, 42735), (777, 36245), (1155, 24383), (1221, 23065), (1295, 21747), (1977, 14245), (2035, 13839), (2849, 9885), (3295, 8547), (3885, 7249), (4613, 6105)]