201378675

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 349227648

約数和(自身を除く): 147848973

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 615, 645, 1025, 1075, 1523, 1763, 3075, 3225, 4569, 5289, 7615, 8815, 22845, 26445, 38075, 44075, 62443, 65489, 114225, 132225, 187329, 196467, 312215, 327445, 936645, 982335, 1561075, 1637225, 2685049, 4683225, 4911675, 8055147, 13425245, 40275735, 67126225, 201378675]

約数ペア:

[(1, 201378675), (3, 67126225), (5, 40275735), (15, 13425245), (25, 8055147), (41, 4911675), (43, 4683225), (75, 2685049), (123, 1637225), (129, 1561075), (205, 982335), (215, 936645), (615, 327445), (645, 312215), (1025, 196467), (1075, 187329), (1523, 132225), (1763, 114225), (3075, 65489), (3225, 62443), (4569, 44075), (5289, 38075), (7615, 26445), (8815, 22845)]