2639775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 4443664

約数和(自身を除く): 1803889

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 577, 915, 1525, 1731, 2885, 4575, 8655, 14425, 35197, 43275, 105591, 175985, 527955, 879925, 2639775]

約数ペア:

[(1, 2639775), (3, 879925), (5, 527955), (15, 175985), (25, 105591), (61, 43275), (75, 35197), (183, 14425), (305, 8655), (577, 4575), (915, 2885), (1525, 1731)]