90709437

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6818

約数の個数: 32

約数和(自身を含む): 151916800

約数和(自身を除く): 61207363

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 6781, 13377, 20343, 47467, 88153, 142401, 264459, 332269, 617071, 996807, 1851213, 2325883, 4319497, 6977649, 12958491, 30236479, 90709437]

約数ペア:

[(1, 90709437), (3, 30236479), (7, 12958491), (13, 6977649), (21, 4319497), (39, 2325883), (49, 1851213), (91, 996807), (147, 617071), (273, 332269), (343, 264459), (637, 142401), (1029, 88153), (1911, 47467), (4459, 20343), (6781, 13377)]