187449939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 300736800

約数和(自身を除く): 113286861

約数列:

[1, 3, 9, 17, 29, 51, 83, 87, 153, 249, 261, 493, 509, 747, 1411, 1479, 1527, 2407, 4233, 4437, 4581, 7221, 8653, 12699, 14761, 21663, 25959, 40919, 42247, 44283, 77877, 122757, 126741, 132849, 250937, 368271, 380223, 718199, 752811, 1225163, 2154597, 2258433, 3675489, 6463791, 11026467, 20827771, 62483313, 187449939]

約数ペア:

[(1, 187449939), (3, 62483313), (9, 20827771), (17, 11026467), (29, 6463791), (51, 3675489), (83, 2258433), (87, 2154597), (153, 1225163), (249, 752811), (261, 718199), (493, 380223), (509, 368271), (747, 250937), (1411, 132849), (1479, 126741), (1527, 122757), (2407, 77877), (4233, 44283), (4437, 42247), (4581, 40919), (7221, 25959), (8653, 21663), (12699, 14761)]