47691819

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1453}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 78934752

約数和(自身を除く): 31242933

約数列:

[1, 3, 7, 9, 21, 63, 521, 1453, 1563, 3647, 4359, 4689, 10171, 10941, 13077, 30513, 32823, 91539, 757013, 2271039, 5299091, 6813117, 15897273, 47691819]

約数ペア:

[(1, 47691819), (3, 15897273), (7, 6813117), (9, 5299091), (21, 2271039), (63, 757013), (521, 91539), (1453, 32823), (1563, 30513), (3647, 13077), (4359, 10941), (4689, 10171)]