289657395

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 36

約数和(自身を含む): 507896688

約数和(自身を除く): 218239293

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 631, 909, 1515, 1893, 3155, 4545, 5679, 9465, 10201, 28395, 30603, 51005, 63731, 91809, 153015, 191193, 318655, 459045, 573579, 955965, 2867895, 6436831, 19310493, 32184155, 57931479, 96552465, 289657395]

約数ペア:

[(1, 289657395), (3, 96552465), (5, 57931479), (9, 32184155), (15, 19310493), (45, 6436831), (101, 2867895), (303, 955965), (505, 573579), (631, 459045), (909, 318655), (1515, 191193), (1893, 153015), (3155, 91809), (4545, 63731), (5679, 51005), (9465, 30603), (10201, 28395)]