213473505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2027}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 420526080

約数和(自身を除く): 207052575

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 59, 85, 105, 119, 177, 255, 295, 357, 413, 595, 885, 1003, 1239, 1785, 2027, 2065, 3009, 5015, 6081, 6195, 7021, 10135, 14189, 15045, 21063, 30405, 34459, 35105, 42567, 70945, 103377, 105315, 119593, 172295, 212835, 241213, 358779, 516885, 597965, 723639, 837151, 1206065, 1793895, 2033081, 2511453, 3618195, 4185755, 6099243, 10165405, 12557265, 14231567, 30496215, 42694701, 71157835, 213473505]

約数ペア:

[(1, 213473505), (3, 71157835), (5, 42694701), (7, 30496215), (15, 14231567), (17, 12557265), (21, 10165405), (35, 6099243), (51, 4185755), (59, 3618195), (85, 2511453), (105, 2033081), (119, 1793895), (177, 1206065), (255, 837151), (295, 723639), (357, 597965), (413, 516885), (595, 358779), (885, 241213), (1003, 212835), (1239, 172295), (1785, 119593), (2027, 105315), (2065, 103377), (3009, 70945), (5015, 42567), (6081, 35105), (6195, 34459), (7021, 30405), (10135, 21063), (14189, 15045)]