2193975

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{199}}^1$

素因数の和:229

約数の個数: 54

約数和(自身を含む): 4594200

約数和(自身を除く): 2400225

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 199, 225, 245, 315, 441, 525, 597, 735, 995, 1225, 1393, 1575, 1791, 2205, 2985, 3675, 4179, 4975, 6965, 8955, 9751, 11025, 12537, 14925, 20895, 29253, 34825, 44775, 48755, 62685, 87759, 104475, 146265, 243775, 313425, 438795, 731325, 2193975]

約数ペア:

[(1, 2193975), (3, 731325), (5, 438795), (7, 313425), (9, 243775), (15, 146265), (21, 104475), (25, 87759), (35, 62685), (45, 48755), (49, 44775), (63, 34825), (75, 29253), (105, 20895), (147, 14925), (175, 12537), (199, 11025), (225, 9751), (245, 8955), (315, 6965), (441, 4975), (525, 4179), (597, 3675), (735, 2985), (995, 2205), (1225, 1791), (1393, 1575)]