219039375

素因数分解:

$3^1\times 5^4\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 367419888

約数和(自身を除く): 148380513

約数列:

[1, 3, 5, 15, 25, 75, 125, 197, 375, 591, 593, 625, 985, 1779, 1875, 2955, 2965, 4925, 8895, 14775, 14825, 24625, 44475, 73875, 74125, 116821, 123125, 222375, 350463, 369375, 370625, 584105, 1111875, 1752315, 2920525, 8761575, 14602625, 43807875, 73013125, 219039375]

約数ペア:

[(1, 219039375), (3, 73013125), (5, 43807875), (15, 14602625), (25, 8761575), (75, 2920525), (125, 1752315), (197, 1111875), (375, 584105), (591, 370625), (593, 369375), (625, 350463), (985, 222375), (1779, 123125), (1875, 116821), (2955, 74125), (2965, 73875), (4925, 44475), (8895, 24625), (14775, 14825)]