81698130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{907757}}^1$

素因数の和:907770

約数の個数: 24

約数和(自身を含む): 212415372

約数和(自身を除く): 130717242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 907757, 1815514, 2723271, 4538785, 5446542, 8169813, 9077570, 13616355, 16339626, 27232710, 40849065, 81698130]

約数ペア:

[(1, 81698130), (2, 40849065), (3, 27232710), (5, 16339626), (6, 13616355), (9, 9077570), (10, 8169813), (15, 5446542), (18, 4538785), (30, 2723271), (45, 1815514), (90, 907757)]