2019903165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{15991}}^1$

素因数の和:16410

約数の個数: 48

約数和(自身を含む): 4011561216

約数和(自身を除く): 1991658051

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 401, 1203, 2005, 2807, 3609, 6015, 8421, 14035, 15991, 18045, 25263, 42105, 47973, 79955, 111937, 126315, 143919, 239865, 335811, 559685, 719595, 1007433, 1679055, 5037165, 6412391, 19237173, 32061955, 44886737, 57711519, 96185865, 134660211, 224433685, 288557595, 403980633, 673301055, 2019903165]

約数ペア:

[(1, 2019903165), (3, 673301055), (5, 403980633), (7, 288557595), (9, 224433685), (15, 134660211), (21, 96185865), (35, 57711519), (45, 44886737), (63, 32061955), (105, 19237173), (315, 6412391), (401, 5037165), (1203, 1679055), (2005, 1007433), (2807, 719595), (3609, 559685), (6015, 335811), (8421, 239865), (14035, 143919), (15991, 126315), (18045, 111937), (25263, 79955), (42105, 47973)]