2913729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 4813632

約数和(自身を除く): 1899903

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 821, 1183, 2463, 3549, 5747, 10673, 17241, 32019, 74711, 138749, 224133, 416247, 971243, 2913729]

約数ペア:

[(1, 2913729), (3, 971243), (7, 416247), (13, 224133), (21, 138749), (39, 74711), (91, 32019), (169, 17241), (273, 10673), (507, 5747), (821, 3549), (1183, 2463)]