3969875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 6115200

約数和(自身を除く): 2145325

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 349, 455, 875, 1625, 1745, 2275, 2443, 4537, 8725, 11375, 12215, 22685, 31759, 43625, 61075, 113425, 158795, 305375, 567125, 793975, 3969875]

約数ペア:

[(1, 3969875), (5, 793975), (7, 567125), (13, 305375), (25, 158795), (35, 113425), (65, 61075), (91, 43625), (125, 31759), (175, 22685), (325, 12215), (349, 11375), (455, 8725), (875, 4537), (1625, 2443), (1745, 2275)]