78462225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 151376472

約数和(自身を除く): 72914247

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 73, 75, 85, 153, 219, 225, 255, 281, 365, 425, 657, 765, 843, 1095, 1241, 1275, 1405, 1825, 2529, 3285, 3723, 3825, 4215, 4777, 5475, 6205, 7025, 11169, 12645, 14331, 16425, 18615, 20513, 21075, 23885, 31025, 42993, 55845, 61539, 63225, 71655, 93075, 102565, 119425, 184617, 214965, 279225, 307695, 348721, 358275, 512825, 923085, 1046163, 1074825, 1538475, 1743605, 3138489, 4615425, 5230815, 8718025, 15692445, 26154075, 78462225]

約数ペア:

[(1, 78462225), (3, 26154075), (5, 15692445), (9, 8718025), (15, 5230815), (17, 4615425), (25, 3138489), (45, 1743605), (51, 1538475), (73, 1074825), (75, 1046163), (85, 923085), (153, 512825), (219, 358275), (225, 348721), (255, 307695), (281, 279225), (365, 214965), (425, 184617), (657, 119425), (765, 102565), (843, 93075), (1095, 71655), (1241, 63225), (1275, 61539), (1405, 55845), (1825, 42993), (2529, 31025), (3285, 23885), (3723, 21075), (3825, 20513), (4215, 18615), (4777, 16425), (5475, 14331), (6205, 12645), (7025, 11169)]