87693879

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 148172640

約数和(自身を除く): 60478761

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 273, 327, 421, 637, 763, 1263, 1417, 1911, 2289, 2947, 4251, 5341, 5473, 8841, 9919, 16023, 16419, 20629, 29757, 38311, 45889, 61887, 69433, 114933, 137667, 208299, 268177, 321223, 596557, 804531, 963669, 1789671, 2248561, 4175899, 6745683, 12527697, 29231293, 87693879]

約数ペア:

[(1, 87693879), (3, 29231293), (7, 12527697), (13, 6745683), (21, 4175899), (39, 2248561), (49, 1789671), (91, 963669), (109, 804531), (147, 596557), (273, 321223), (327, 268177), (421, 208299), (637, 137667), (763, 114933), (1263, 69433), (1417, 61887), (1911, 45889), (2289, 38311), (2947, 29757), (4251, 20629), (5341, 16419), (5473, 16023), (8841, 9919)]