287491815

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12601}}^1$

素因数の和:12641

約数の個数: 48

約数和(自身を含む): 553479840

約数和(自身を除く): 265988025

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1521, 1755, 2535, 4563, 7605, 12601, 22815, 37803, 63005, 113409, 163813, 189015, 340227, 491439, 567045, 819065, 1474317, 1701135, 2129569, 2457195, 4422951, 6388707, 7371585, 10647845, 19166121, 22114755, 31943535, 57498363, 95830605, 287491815]

約数ペア:

[(1, 287491815), (3, 95830605), (5, 57498363), (9, 31943535), (13, 22114755), (15, 19166121), (27, 10647845), (39, 7371585), (45, 6388707), (65, 4422951), (117, 2457195), (135, 2129569), (169, 1701135), (195, 1474317), (351, 819065), (507, 567045), (585, 491439), (845, 340227), (1521, 189015), (1755, 163813), (2535, 113409), (4563, 63005), (7605, 37803), (12601, 22815)]