81027990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16987}}^1$

素因数の和:17053

約数の個数: 48

約数和(自身を含む): 214660368

約数和(自身を除く): 133632378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4770, 16987, 33974, 50961, 84935, 101922, 152883, 169870, 254805, 305766, 509610, 764415, 900311, 1528830, 1800622, 2700933, 4501555, 5401866, 8102799, 9003110, 13504665, 16205598, 27009330, 40513995, 81027990]

約数ペア:

[(1, 81027990), (2, 40513995), (3, 27009330), (5, 16205598), (6, 13504665), (9, 9003110), (10, 8102799), (15, 5401866), (18, 4501555), (30, 2700933), (45, 1800622), (53, 1528830), (90, 900311), (106, 764415), (159, 509610), (265, 305766), (318, 254805), (477, 169870), (530, 152883), (795, 101922), (954, 84935), (1590, 50961), (2385, 33974), (4770, 16987)]