918199737

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2663}}^1$

素因数の和:3110

約数の個数: 48

約数和(自身を含む): 1636846848

約数和(自身を除く): 718647111

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 421, 819, 1263, 2663, 2947, 3789, 5473, 7989, 8841, 16419, 18641, 23967, 26523, 34619, 38311, 49257, 55923, 103857, 114933, 167769, 242333, 311571, 344799, 726999, 1121123, 2180997, 3363369, 7847861, 10090107, 14574599, 23543583, 43723797, 70630749, 102022193, 131171391, 306066579, 918199737]

約数ペア:

[(1, 918199737), (3, 306066579), (7, 131171391), (9, 102022193), (13, 70630749), (21, 43723797), (39, 23543583), (63, 14574599), (91, 10090107), (117, 7847861), (273, 3363369), (421, 2180997), (819, 1121123), (1263, 726999), (2663, 344799), (2947, 311571), (3789, 242333), (5473, 167769), (7989, 114933), (8841, 103857), (16419, 55923), (18641, 49257), (23967, 38311), (26523, 34619)]