28776546

素因数分解:

$2^1\times 3^9\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 80

約数和(自身を含む): 70149024

約数和(自身を除く): 41372478

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 43, 51, 54, 81, 86, 102, 129, 153, 162, 243, 258, 306, 387, 459, 486, 729, 731, 774, 918, 1161, 1377, 1458, 1462, 2187, 2193, 2322, 2754, 3483, 4131, 4374, 4386, 6561, 6579, 6966, 8262, 10449, 12393, 13122, 13158, 19683, 19737, 20898, 24786, 31347, 37179, 39366, 39474, 59211, 62694, 74358, 94041, 111537, 118422, 177633, 188082, 223074, 282123, 334611, 355266, 532899, 564246, 669222, 846369, 1065798, 1598697, 1692738, 3197394, 4796091, 9592182, 14388273, 28776546]

約数ペア:

[(1, 28776546), (2, 14388273), (3, 9592182), (6, 4796091), (9, 3197394), (17, 1692738), (18, 1598697), (27, 1065798), (34, 846369), (43, 669222), (51, 564246), (54, 532899), (81, 355266), (86, 334611), (102, 282123), (129, 223074), (153, 188082), (162, 177633), (243, 118422), (258, 111537), (306, 94041), (387, 74358), (459, 62694), (486, 59211), (729, 39474), (731, 39366), (774, 37179), (918, 31347), (1161, 24786), (1377, 20898), (1458, 19737), (1462, 19683), (2187, 13158), (2193, 13122), (2322, 12393), (2754, 10449), (3483, 8262), (4131, 6966), (4374, 6579), (4386, 6561)]