2787993

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 32

約数和(自身を含む): 4569600

約数和(自身を除く): 1781607

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 169, 351, 423, 507, 611, 1269, 1521, 1833, 2197, 4563, 5499, 6591, 7943, 16497, 19773, 23829, 59319, 71487, 103259, 214461, 309777, 929331, 2787993]

約数ペア:

[(1, 2787993), (3, 929331), (9, 309777), (13, 214461), (27, 103259), (39, 71487), (47, 59319), (117, 23829), (141, 19773), (169, 16497), (351, 7943), (423, 6591), (507, 5499), (611, 4563), (1269, 2197), (1521, 1833)]