81865170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{909613}}^1$

素因数の和:909626

約数の個数: 24

約数和(自身を含む): 212849676

約数和(自身を除く): 130984506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 909613, 1819226, 2728839, 4548065, 5457678, 8186517, 9096130, 13644195, 16373034, 27288390, 40932585, 81865170]

約数ペア:

[(1, 81865170), (2, 40932585), (3, 27288390), (5, 16373034), (6, 13644195), (9, 9096130), (10, 8186517), (15, 5457678), (18, 4548065), (30, 2728839), (45, 1819226), (90, 909613)]