213325

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 24

約数和(自身を含む): 321408

約数和(自身を除く): 108083

約数列:

[1, 5, 7, 23, 25, 35, 53, 115, 161, 175, 265, 371, 575, 805, 1219, 1325, 1855, 4025, 6095, 8533, 9275, 30475, 42665, 213325]

約数ペア:

[(1, 213325), (5, 42665), (7, 30475), (23, 9275), (25, 8533), (35, 6095), (53, 4025), (115, 1855), (161, 1325), (175, 1219), (265, 805), (371, 575)]