204947145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{691}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 395270400

約数和(自身を除く): 190323255

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 691, 845, 1521, 1755, 2073, 2197, 2535, 3455, 4563, 6219, 6591, 7605, 8983, 10365, 10985, 18657, 19773, 22815, 26949, 31095, 32955, 44915, 59319, 80847, 93285, 98865, 116779, 134745, 242541, 296595, 350337, 404235, 583895, 1051011, 1212705, 1518127, 1751685, 3153033, 4554381, 5255055, 7590635, 13663143, 15765165, 22771905, 40989429, 68315715, 204947145]

約数ペア:

[(1, 204947145), (3, 68315715), (5, 40989429), (9, 22771905), (13, 15765165), (15, 13663143), (27, 7590635), (39, 5255055), (45, 4554381), (65, 3153033), (117, 1751685), (135, 1518127), (169, 1212705), (195, 1051011), (351, 583895), (507, 404235), (585, 350337), (691, 296595), (845, 242541), (1521, 134745), (1755, 116779), (2073, 98865), (2197, 93285), (2535, 80847), (3455, 59319), (4563, 44915), (6219, 32955), (6591, 31095), (7605, 26949), (8983, 22815), (10365, 19773), (10985, 18657)]