398439135

素因数分解:

$3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6011}}^1$

素因数の和:6516

約数の個数: 32

約数和(自身を含む): 709896960

約数和(自身を除く): 311457825

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 491, 1473, 2455, 4419, 6011, 7365, 13257, 18033, 22095, 30055, 54099, 66285, 90165, 162297, 270495, 811485, 2951401, 8854203, 14757005, 26562609, 44271015, 79687827, 132813045, 398439135]

約数ペア:

[(1, 398439135), (3, 132813045), (5, 79687827), (9, 44271015), (15, 26562609), (27, 14757005), (45, 8854203), (135, 2951401), (491, 811485), (1473, 270495), (2455, 162297), (4419, 90165), (6011, 66285), (7365, 54099), (13257, 30055), (18033, 22095)]