121211271

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 190494720

約数和(自身を除く): 69283449

約数列:

[1, 3, 9, 29, 31, 71, 87, 93, 211, 213, 261, 279, 633, 639, 899, 1899, 2059, 2201, 2697, 6119, 6177, 6541, 6603, 8091, 14981, 18357, 18531, 19623, 19809, 44943, 55071, 58869, 63829, 134829, 189689, 191487, 434449, 464411, 569067, 574461, 1303347, 1393233, 1707201, 3910041, 4179699, 13467919, 40403757, 121211271]

約数ペア:

[(1, 121211271), (3, 40403757), (9, 13467919), (29, 4179699), (31, 3910041), (71, 1707201), (87, 1393233), (93, 1303347), (211, 574461), (213, 569067), (261, 464411), (279, 434449), (633, 191487), (639, 189689), (899, 134829), (1899, 63829), (2059, 58869), (2201, 55071), (2697, 44943), (6119, 19809), (6177, 19623), (6541, 18531), (6603, 18357), (8091, 14981)]