27728766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1761

約数の個数: 48

約数和(自身を含む): 65651040

約数和(自身を除く): 37922274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1669, 1846, 2769, 3338, 5007, 5538, 8307, 10014, 15021, 16614, 21697, 30042, 43394, 65091, 118499, 130182, 195273, 236998, 355497, 390546, 710994, 1066491, 1540487, 2132982, 3080974, 4621461, 9242922, 13864383, 27728766]

約数ペア:

[(1, 27728766), (2, 13864383), (3, 9242922), (6, 4621461), (9, 3080974), (13, 2132982), (18, 1540487), (26, 1066491), (39, 710994), (71, 390546), (78, 355497), (117, 236998), (142, 195273), (213, 130182), (234, 118499), (426, 65091), (639, 43394), (923, 30042), (1278, 21697), (1669, 16614), (1846, 15021), (2769, 10014), (3338, 8307), (5007, 5538)]