1500000021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{124471}}^1$

素因数の和:124593

約数の個数: 24

約数和(自身を含む): 2356006016

約数和(自身を除く): 856005995

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 4017, 12051, 124471, 373413, 1120239, 1618123, 4854369, 12820513, 14563107, 38461539, 115384617, 166666669, 500000007, 1500000021]

約数ペア:

[(1, 1500000021), (3, 500000007), (9, 166666669), (13, 115384617), (39, 38461539), (103, 14563107), (117, 12820513), (309, 4854369), (927, 1618123), (1339, 1120239), (4017, 373413), (12051, 124471)]