2121345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 1922175

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 59, 85, 141, 153, 177, 235, 255, 295, 423, 531, 705, 765, 799, 885, 1003, 2115, 2397, 2655, 2773, 3009, 3995, 5015, 7191, 8319, 9027, 11985, 13865, 15045, 24957, 35955, 41595, 45135, 47141, 124785, 141423, 235705, 424269, 707115, 2121345]

約数ペア:

[(1, 2121345), (3, 707115), (5, 424269), (9, 235705), (15, 141423), (17, 124785), (45, 47141), (47, 45135), (51, 41595), (59, 35955), (85, 24957), (141, 15045), (153, 13865), (177, 11985), (235, 9027), (255, 8319), (295, 7191), (423, 5015), (531, 3995), (705, 3009), (765, 2773), (799, 2655), (885, 2397), (1003, 2115)]