77428455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23357}}^1$

素因数の和:23395

約数の個数: 32

約数和(自身を含む): 141269184

約数和(自身を除く): 63840729

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 23357, 70071, 116785, 303641, 350355, 397069, 910923, 1191207, 1518205, 1985345, 4554615, 5161897, 5956035, 15485691, 25809485, 77428455]

約数ペア:

[(1, 77428455), (3, 25809485), (5, 15485691), (13, 5956035), (15, 5161897), (17, 4554615), (39, 1985345), (51, 1518205), (65, 1191207), (85, 910923), (195, 397069), (221, 350355), (255, 303641), (663, 116785), (1105, 70071), (3315, 23357)]