28779495

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 47568384

約数和(自身を除く): 18788889

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 305, 355, 443, 915, 1065, 1329, 2215, 4331, 6645, 12993, 21655, 27023, 31453, 64965, 81069, 94359, 135115, 157265, 405345, 471795, 1918633, 5755899, 9593165, 28779495]

約数ペア:

[(1, 28779495), (3, 9593165), (5, 5755899), (15, 1918633), (61, 471795), (71, 405345), (183, 157265), (213, 135115), (305, 94359), (355, 81069), (443, 64965), (915, 31453), (1065, 27023), (1329, 21655), (2215, 12993), (4331, 6645)]