173689257

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 268979200

約数和(自身を除く): 95289943

約数列:

[1, 3, 7, 21, 139, 157, 379, 417, 471, 973, 1099, 1137, 2653, 2919, 3297, 7959, 21823, 52681, 59503, 65469, 152761, 158043, 178509, 368767, 416521, 458283, 1106301, 1249563, 8270917, 24812751, 57896419, 173689257]

約数ペア:

[(1, 173689257), (3, 57896419), (7, 24812751), (21, 8270917), (139, 1249563), (157, 1106301), (379, 458283), (417, 416521), (471, 368767), (973, 178509), (1099, 158043), (1137, 152761), (2653, 65469), (2919, 59503), (3297, 52681), (7959, 21823)]