211672503

素因数分解:

$3^2\times 7^3\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 359424000

約数和(自身を除く): 147751497

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 343, 359, 441, 573, 1029, 1077, 1337, 1719, 2513, 3087, 3231, 4011, 7539, 9359, 12033, 17591, 22617, 28077, 52773, 65513, 68569, 84231, 123137, 158319, 196539, 205707, 369411, 479983, 589617, 617121, 1108233, 1439949, 3359881, 4319847, 10079643, 23519167, 30238929, 70557501, 211672503]

約数ペア:

[(1, 211672503), (3, 70557501), (7, 30238929), (9, 23519167), (21, 10079643), (49, 4319847), (63, 3359881), (147, 1439949), (191, 1108233), (343, 617121), (359, 589617), (441, 479983), (573, 369411), (1029, 205707), (1077, 196539), (1337, 158319), (1719, 123137), (2513, 84231), (3087, 68569), (3231, 65513), (4011, 52773), (7539, 28077), (9359, 22617), (12033, 17591)]