890665725

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 1493743680

約数和(自身を除く): 603077955

約数列:

[1, 3, 5, 15, 25, 75, 131, 269, 337, 393, 655, 807, 1011, 1345, 1685, 1965, 3275, 4035, 5055, 6725, 8425, 9825, 20175, 25275, 35239, 44147, 90653, 105717, 132441, 176195, 220735, 271959, 453265, 528585, 662205, 880975, 1103675, 1359795, 2266325, 2642925, 3311025, 6798975, 11875543, 35626629, 59377715, 178133145, 296888575, 890665725]

約数ペア:

[(1, 890665725), (3, 296888575), (5, 178133145), (15, 59377715), (25, 35626629), (75, 11875543), (131, 6798975), (269, 3311025), (337, 2642925), (393, 2266325), (655, 1359795), (807, 1103675), (1011, 880975), (1345, 662205), (1685, 528585), (1965, 453265), (3275, 271959), (4035, 220735), (5055, 176195), (6725, 132441), (8425, 105717), (9825, 90653), (20175, 44147), (25275, 35239)]