305242707

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{131}}^2$

素因数の和:301

約数の個数: 54

約数和(自身を含む): 524392932

約数和(自身を除く): 219150225

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 131, 147, 231, 363, 393, 539, 847, 917, 1441, 1617, 2541, 2751, 4323, 5929, 6419, 10087, 15851, 17161, 17787, 19257, 30261, 47553, 51483, 70609, 110957, 120127, 188771, 211827, 332871, 360381, 566313, 776699, 840889, 1321397, 2076481, 2330097, 2522667, 3964191, 6229443, 9249779, 14535367, 27749337, 43606101, 101747569, 305242707]

約数ペア:

[(1, 305242707), (3, 101747569), (7, 43606101), (11, 27749337), (21, 14535367), (33, 9249779), (49, 6229443), (77, 3964191), (121, 2522667), (131, 2330097), (147, 2076481), (231, 1321397), (363, 840889), (393, 776699), (539, 566313), (847, 360381), (917, 332871), (1441, 211827), (1617, 188771), (2541, 120127), (2751, 110957), (4323, 70609), (5929, 51483), (6419, 47553), (10087, 30261), (15851, 19257), (17161, 17787)]