287793945

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21107}}^1$

素因数の和:21222

約数の個数: 32

約数和(自身を含む): 516723840

約数和(自身を除く): 228929895

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1515, 2727, 4545, 13635, 21107, 63321, 105535, 189963, 316605, 569889, 949815, 2131807, 2849445, 6395421, 10659035, 19186263, 31977105, 57558789, 95931315, 287793945]

約数ペア:

[(1, 287793945), (3, 95931315), (5, 57558789), (9, 31977105), (15, 19186263), (27, 10659035), (45, 6395421), (101, 2849445), (135, 2131807), (303, 949815), (505, 569889), (909, 316605), (1515, 189963), (2727, 105535), (4545, 63321), (13635, 21107)]