156984237

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 240683520

約数和(自身を除く): 83699283

約数列:

[1, 3, 9, 27, 73, 81, 139, 191, 219, 417, 573, 657, 1251, 1719, 1971, 3753, 5157, 5913, 10147, 11259, 13943, 15471, 26549, 30441, 41829, 79647, 91323, 125487, 238941, 273969, 376461, 716823, 821907, 1129383, 1938077, 2150469, 5814231, 17442693, 52328079, 156984237]

約数ペア:

[(1, 156984237), (3, 52328079), (9, 17442693), (27, 5814231), (73, 2150469), (81, 1938077), (139, 1129383), (191, 821907), (219, 716823), (417, 376461), (573, 273969), (657, 238941), (1251, 125487), (1719, 91323), (1971, 79647), (3753, 41829), (5157, 30441), (5913, 26549), (10147, 15471), (11259, 13943)]