1821957945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 3065610240

約数和(自身を除く): 1243652295

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 223, 239, 265, 645, 669, 717, 795, 1115, 1195, 2279, 3345, 3585, 6837, 9589, 10277, 11395, 11819, 12667, 28767, 30831, 34185, 35457, 38001, 47945, 51385, 53297, 59095, 63335, 143835, 154155, 159891, 177285, 190005, 266485, 508217, 544681, 799455, 1524651, 1634043, 2291771, 2541085, 2723405, 2824741, 6875313, 7623255, 8170215, 8474223, 11458855, 14123705, 34376565, 42371115, 121463863, 364391589, 607319315, 1821957945]

約数ペア:

[(1, 1821957945), (3, 607319315), (5, 364391589), (15, 121463863), (43, 42371115), (53, 34376565), (129, 14123705), (159, 11458855), (215, 8474223), (223, 8170215), (239, 7623255), (265, 6875313), (645, 2824741), (669, 2723405), (717, 2541085), (795, 2291771), (1115, 1634043), (1195, 1524651), (2279, 799455), (3345, 544681), (3585, 508217), (6837, 266485), (9589, 190005), (10277, 177285), (11395, 159891), (11819, 154155), (12667, 143835), (28767, 63335), (30831, 59095), (34185, 53297), (35457, 51385), (38001, 47945)]