42578385

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 70253568

約数和(自身を除く): 27675183

約数列:

[1, 3, 5, 15, 43, 129, 215, 251, 263, 645, 753, 789, 1255, 1315, 3765, 3945, 10793, 11309, 32379, 33927, 53965, 56545, 66013, 161895, 169635, 198039, 330065, 990195, 2838559, 8515677, 14192795, 42578385]

約数ペア:

[(1, 42578385), (3, 14192795), (5, 8515677), (15, 2838559), (43, 990195), (129, 330065), (215, 198039), (251, 169635), (263, 161895), (645, 66013), (753, 56545), (789, 53965), (1255, 33927), (1315, 32379), (3765, 11309), (3945, 10793)]