75390825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 129394496

約数和(自身を除く): 54003671

約数列:

[1, 3, 5, 15, 25, 43, 75, 97, 129, 215, 241, 291, 485, 645, 723, 1075, 1205, 1455, 2425, 3225, 3615, 4171, 6025, 7275, 10363, 12513, 18075, 20855, 23377, 31089, 51815, 62565, 70131, 104275, 116885, 155445, 259075, 312825, 350655, 584425, 777225, 1005211, 1753275, 3015633, 5026055, 15078165, 25130275, 75390825]

約数ペア:

[(1, 75390825), (3, 25130275), (5, 15078165), (15, 5026055), (25, 3015633), (43, 1753275), (75, 1005211), (97, 777225), (129, 584425), (215, 350655), (241, 312825), (291, 259075), (485, 155445), (645, 116885), (723, 104275), (1075, 70131), (1205, 62565), (1455, 51815), (2425, 31089), (3225, 23377), (3615, 20855), (4171, 18075), (6025, 12513), (7275, 10363)]