201961725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 393599808

約数和(自身を除く): 191638083

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 259, 281, 525, 555, 777, 843, 925, 1295, 1369, 1405, 1967, 2775, 3885, 4107, 4215, 5901, 6475, 6845, 7025, 9583, 9835, 10397, 19425, 20535, 21075, 28749, 29505, 31191, 34225, 47915, 49175, 51985, 72779, 102675, 143745, 147525, 155955, 218337, 239575, 259925, 363895, 384689, 718725, 779775, 1091685, 1154067, 1819475, 1923445, 2692823, 5458425, 5770335, 8078469, 9617225, 13464115, 28851675, 40392345, 67320575, 201961725]

約数ペア:

[(1, 201961725), (3, 67320575), (5, 40392345), (7, 28851675), (15, 13464115), (21, 9617225), (25, 8078469), (35, 5770335), (37, 5458425), (75, 2692823), (105, 1923445), (111, 1819475), (175, 1154067), (185, 1091685), (259, 779775), (281, 718725), (525, 384689), (555, 363895), (777, 259925), (843, 239575), (925, 218337), (1295, 155955), (1369, 147525), (1405, 143745), (1967, 102675), (2775, 72779), (3885, 51985), (4107, 49175), (4215, 47915), (5901, 34225), (6475, 31191), (6845, 29505), (7025, 28749), (9583, 21075), (9835, 20535), (10397, 19425)]