2170689075

素因数分解:

$3^2\times 5^2\times {\mathrm{1997}}^1\times {\mathrm{4831}}^1$

素因数の和:6844

約数の個数: 36

約数和(自身を含む): 3890697408

約数和(自身を除く): 1720008333

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1997, 4831, 5991, 9985, 14493, 17973, 24155, 29955, 43479, 49925, 72465, 89865, 120775, 149775, 217395, 362325, 449325, 1086975, 9647507, 28942521, 48237535, 86827563, 144712605, 241187675, 434137815, 723563025, 2170689075]

約数ペア:

[(1, 2170689075), (3, 723563025), (5, 434137815), (9, 241187675), (15, 144712605), (25, 86827563), (45, 48237535), (75, 28942521), (225, 9647507), (1997, 1086975), (4831, 449325), (5991, 362325), (9985, 217395), (14493, 149775), (17973, 120775), (24155, 89865), (29955, 72465), (43479, 49925)]