128530725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{90197}}^1$

素因数の和:90229

約数の個数: 24

約数和(自身を含む): 223691040

約数和(自身を除く): 95160315

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 90197, 270591, 450985, 1352955, 1713743, 2254925, 5141229, 6764775, 8568715, 25706145, 42843575, 128530725]

約数ペア:

[(1, 128530725), (3, 42843575), (5, 25706145), (15, 8568715), (19, 6764775), (25, 5141229), (57, 2254925), (75, 1713743), (95, 1352955), (285, 450985), (475, 270591), (1425, 90197)]