280725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 491040

約数和(自身を除く): 210315

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 197, 285, 475, 591, 985, 1425, 2955, 3743, 4925, 11229, 14775, 18715, 56145, 93575, 280725]

約数ペア:

[(1, 280725), (3, 93575), (5, 56145), (15, 18715), (19, 14775), (25, 11229), (57, 4925), (75, 3743), (95, 2955), (197, 1425), (285, 985), (475, 591)]