42402123

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 65758176

約数和(自身を除く): 23356053

約数列:

[1, 3, 9, 27, 71, 73, 81, 101, 213, 219, 303, 639, 657, 909, 1917, 1971, 2727, 5183, 5751, 5913, 7171, 7373, 8181, 15549, 21513, 22119, 46647, 64539, 66357, 139941, 193617, 199071, 419823, 523483, 580851, 597213, 1570449, 4711347, 14134041, 42402123]

約数ペア:

[(1, 42402123), (3, 14134041), (9, 4711347), (27, 1570449), (71, 597213), (73, 580851), (81, 523483), (101, 419823), (213, 199071), (219, 193617), (303, 139941), (639, 66357), (657, 64539), (909, 46647), (1917, 22119), (1971, 21513), (2727, 15549), (5183, 8181), (5751, 7373), (5913, 7171)]