178394097

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3413}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 288414720

約数和(自身を除く): 110020623

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 2489, 2751, 3413, 7467, 10239, 17423, 23891, 52269, 64847, 71673, 194541, 447103, 453929, 1341309, 1361787, 3129721, 8494957, 9389163, 25484871, 59464699, 178394097]

約数ペア:

[(1, 178394097), (3, 59464699), (7, 25484871), (19, 9389163), (21, 8494957), (57, 3129721), (131, 1361787), (133, 1341309), (393, 453929), (399, 447103), (917, 194541), (2489, 71673), (2751, 64847), (3413, 52269), (7467, 23891), (10239, 17423)]