2051220795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1399}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 3620198400

約数和(自身を除く): 1568977605

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 103, 195, 219, 309, 365, 515, 949, 1095, 1339, 1399, 1545, 2847, 4017, 4197, 4745, 6695, 6995, 7519, 14235, 18187, 20085, 20985, 22557, 37595, 54561, 90935, 97747, 102127, 112785, 144097, 272805, 293241, 306381, 432291, 488735, 510635, 720485, 1327651, 1466205, 1531905, 1873261, 2161455, 3982953, 5619783, 6638255, 9366305, 10519081, 19914765, 28098915, 31557243, 52595405, 136748053, 157786215, 410244159, 683740265, 2051220795]

約数ペア:

[(1, 2051220795), (3, 683740265), (5, 410244159), (13, 157786215), (15, 136748053), (39, 52595405), (65, 31557243), (73, 28098915), (103, 19914765), (195, 10519081), (219, 9366305), (309, 6638255), (365, 5619783), (515, 3982953), (949, 2161455), (1095, 1873261), (1339, 1531905), (1399, 1466205), (1545, 1327651), (2847, 720485), (4017, 510635), (4197, 488735), (4745, 432291), (6695, 306381), (6995, 293241), (7519, 272805), (14235, 144097), (18187, 112785), (20085, 102127), (20985, 97747), (22557, 90935), (37595, 54561)]