72045309

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 114243840

約数和(自身を除く): 42198531

約数列:

[1, 3, 7, 21, 29, 87, 203, 281, 421, 609, 843, 1263, 1967, 2947, 5901, 8149, 8841, 12209, 24447, 36627, 57043, 85463, 118301, 171129, 256389, 354903, 828107, 2484321, 3430729, 10292187, 24015103, 72045309]

約数ペア:

[(1, 72045309), (3, 24015103), (7, 10292187), (21, 3430729), (29, 2484321), (87, 828107), (203, 354903), (281, 256389), (421, 171129), (609, 118301), (843, 85463), (1263, 57043), (1967, 36627), (2947, 24447), (5901, 12209), (8149, 8841)]