28743255

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 53018784

約数和(自身を除く): 24275529

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 577, 615, 1107, 1215, 1731, 1845, 2885, 3321, 5193, 5535, 8655, 9963, 15579, 16605, 23657, 25965, 46737, 49815, 70971, 77895, 118285, 140211, 212913, 233685, 354855, 638739, 701055, 1064565, 1916217, 3193695, 5748651, 9581085, 28743255]

約数ペア:

[(1, 28743255), (3, 9581085), (5, 5748651), (9, 3193695), (15, 1916217), (27, 1064565), (41, 701055), (45, 638739), (81, 354855), (123, 233685), (135, 212913), (205, 140211), (243, 118285), (369, 77895), (405, 70971), (577, 49815), (615, 46737), (1107, 25965), (1215, 23657), (1731, 16605), (1845, 15579), (2885, 9963), (3321, 8655), (5193, 5535)]