123221718

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{811}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 279691776

約数和(自身を除く): 156470058

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 367, 414, 734, 811, 1101, 1622, 2202, 2433, 3303, 4866, 6606, 7299, 8441, 14598, 16882, 18653, 25323, 37306, 50646, 55959, 75969, 111918, 151938, 167877, 297637, 335754, 595274, 892911, 1785822, 2678733, 5357466, 6845651, 13691302, 20536953, 41073906, 61610859, 123221718]

約数ペア:

[(1, 123221718), (2, 61610859), (3, 41073906), (6, 20536953), (9, 13691302), (18, 6845651), (23, 5357466), (46, 2678733), (69, 1785822), (138, 892911), (207, 595274), (367, 335754), (414, 297637), (734, 167877), (811, 151938), (1101, 111918), (1622, 75969), (2202, 55959), (2433, 50646), (3303, 37306), (4866, 25323), (6606, 18653), (7299, 16882), (8441, 14598)]