287976195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164089}}^1$

素因数の和:164116

約数の個数: 32

約数和(自身を含む): 551342400

約数和(自身を除く): 263366205

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 164089, 492267, 820445, 1476801, 2133157, 2461335, 4430403, 6399471, 7384005, 10665785, 19198413, 22152015, 31997355, 57595239, 95992065, 287976195]

約数ペア:

[(1, 287976195), (3, 95992065), (5, 57595239), (9, 31997355), (13, 22152015), (15, 19198413), (27, 10665785), (39, 7384005), (45, 6399471), (65, 4430403), (117, 2461335), (135, 2133157), (195, 1476801), (351, 820445), (585, 492267), (1755, 164089)]