2081569185

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:960

約数の個数: 80

約数和(自身を含む): 3832321680

約数和(自身を除く): 1750752495

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 109, 135, 183, 305, 327, 405, 545, 549, 773, 915, 981, 1635, 1647, 2319, 2745, 2943, 3865, 4905, 4941, 6649, 6957, 8235, 8829, 11595, 14715, 19947, 20871, 24705, 33245, 34785, 44145, 47153, 59841, 62613, 84257, 99735, 104355, 141459, 179523, 235765, 252771, 299205, 313065, 421285, 424377, 538569, 707295, 758313, 897615, 1263855, 1273131, 2121885, 2274939, 2692845, 3791565, 3819393, 5139677, 6365655, 6824817, 11374695, 15419031, 19096965, 25698385, 34124085, 46257093, 77095155, 138771279, 231285465, 416313837, 693856395, 2081569185]

約数ペア:

[(1, 2081569185), (3, 693856395), (5, 416313837), (9, 231285465), (15, 138771279), (27, 77095155), (45, 46257093), (61, 34124085), (81, 25698385), (109, 19096965), (135, 15419031), (183, 11374695), (305, 6824817), (327, 6365655), (405, 5139677), (545, 3819393), (549, 3791565), (773, 2692845), (915, 2274939), (981, 2121885), (1635, 1273131), (1647, 1263855), (2319, 897615), (2745, 758313), (2943, 707295), (3865, 538569), (4905, 424377), (4941, 421285), (6649, 313065), (6957, 299205), (8235, 252771), (8829, 235765), (11595, 179523), (14715, 141459), (19947, 104355), (20871, 99735), (24705, 84257), (33245, 62613), (34785, 59841), (44145, 47153)]