25989345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 48673872

約数和(自身を除く): 22684527

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 641, 765, 795, 901, 1923, 2385, 2703, 3205, 4505, 5769, 8109, 9615, 10897, 13515, 28845, 32691, 33973, 40545, 54485, 98073, 101919, 163455, 169865, 305757, 490365, 509595, 577541, 1528785, 1732623, 2887705, 5197869, 8663115, 25989345]

約数ペア:

[(1, 25989345), (3, 8663115), (5, 5197869), (9, 2887705), (15, 1732623), (17, 1528785), (45, 577541), (51, 509595), (53, 490365), (85, 305757), (153, 169865), (159, 163455), (255, 101919), (265, 98073), (477, 54485), (641, 40545), (765, 33973), (795, 32691), (901, 28845), (1923, 13515), (2385, 10897), (2703, 9615), (3205, 8109), (4505, 5769)]