78389385

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 128832768

約数和(自身を除く): 50443383

約数列:

[1, 3, 5, 15, 53, 151, 159, 265, 453, 653, 755, 795, 1959, 2265, 3265, 8003, 9795, 24009, 34609, 40015, 98603, 103827, 120045, 173045, 295809, 493015, 519135, 1479045, 5225959, 15677877, 26129795, 78389385]

約数ペア:

[(1, 78389385), (3, 26129795), (5, 15677877), (15, 5225959), (53, 1479045), (151, 519135), (159, 493015), (265, 295809), (453, 173045), (653, 120045), (755, 103827), (795, 98603), (1959, 40015), (2265, 34609), (3265, 24009), (8003, 9795)]