71820255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3797}}^1$

素因数の和:3915

約数の個数: 32

約数和(自身を含む): 125060544

約数和(自身を除く): 53240289

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 3797, 6305, 11391, 18915, 18985, 49361, 56955, 148083, 246805, 368309, 740415, 1104927, 1841545, 4788017, 5524635, 14364051, 23940085, 71820255]

約数ペア:

[(1, 71820255), (3, 23940085), (5, 14364051), (13, 5524635), (15, 4788017), (39, 1841545), (65, 1104927), (97, 740415), (195, 368309), (291, 246805), (485, 148083), (1261, 56955), (1455, 49361), (3783, 18985), (3797, 18915), (6305, 11391)]