140230209

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 227525760

約数和(自身を除く): 87295551

約数列:

[1, 3, 7, 21, 41, 49, 53, 123, 147, 159, 287, 371, 439, 861, 1113, 1317, 2009, 2173, 2597, 3073, 6027, 6519, 7791, 9219, 15211, 17999, 21511, 23267, 45633, 53997, 64533, 69801, 106477, 125993, 162869, 319431, 377979, 488607, 881951, 953947, 1140083, 2645853, 2861841, 3420249, 6677629, 20032887, 46743403, 140230209]

約数ペア:

[(1, 140230209), (3, 46743403), (7, 20032887), (21, 6677629), (41, 3420249), (49, 2861841), (53, 2645853), (123, 1140083), (147, 953947), (159, 881951), (287, 488607), (371, 377979), (439, 319431), (861, 162869), (1113, 125993), (1317, 106477), (2009, 69801), (2173, 64533), (2597, 53997), (3073, 45633), (6027, 23267), (6519, 21511), (7791, 17999), (9219, 15211)]