28912875

素因数分解:

$3^1\times 5^3\times {\mathrm{77101}}^1$

素因数の和:77119

約数の個数: 16

約数和(自身を含む): 48111648

約数和(自身を除く): 19198773

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 77101, 231303, 385505, 1156515, 1927525, 5782575, 9637625, 28912875]

約数ペア:

[(1, 28912875), (3, 9637625), (5, 5782575), (15, 1927525), (25, 1156515), (75, 385505), (125, 231303), (375, 77101)]